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The Biomechanics Research and Innovation Challenge: Development, Implementation, Uptake, and Reflections on the Inaugural Program. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-11-28 Celeste E Coltman,Martina Barzan,Manuela Besomi,Victoria Brackley,Jaquelin A Bousie,Julie Choisne,Laura E Diamond,Taylor J M Dick,Nicole D'Souza,Samantha Fien,Alycia Fong Yan,Sheridan A Gho,Alexandra Giraldo-Pedroza,Laura A Hutchinson,Laura V Hutchison,Crystal O Kean,Maddison M Kirk,Amy Lewis,Jayishini N Maharaj,Nina Maher,Kerry J Mann,Suzanne Martin,Karen J Mickle,Azadeh Nasseri,Isobel H Oon,Rory
Biomechanics as a discipline is ideally placed to increase awareness and participation of girls and women in science, technology, engineering, and mathematics. A nationwide Biomechanics and Research Innovation Challenge (BRInC) centered on mentoring and role modeling was developed to engage high school girls (mentees) and early-mid-career women (mentors) in the field of biomechanics through the completion
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The Combined Influence of Infant Carrying Method and Motherhood on Gait Mechanics. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-11-20 Kathryn L Havens,Sarah Goldrod,Erin M Mannen
Postpartum mothers are susceptible to lumbopelvic pain which may be exacerbated by loading, like carrying their infant in arms and with baby carriers. Nulliparous women carrying infant mannequins may biomechanically mimic mother-infant dyad, but this has not been studied. The purpose of our study was to investigate biomechanical differences of 10 mothers carrying their infants and 10 nulliparous women
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Sex-Related Differences in Shoulder Complex Joint Dynamics Variability During Pediatric Manual Wheelchair Propulsion. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-11-20 Joshua M Leonardis,Alyssa J Schnorenberg,Lawrence C Vogel,Gerald F Harris,Brooke A Slavens
More than 80% of adult manual wheelchair users with spinal cord injuries will experience shoulder pain. Females and those with decreased shoulder dynamics variability are more likely to experience pain in adulthood. Sex-related differences in shoulder dynamics variability during pediatric manual wheelchair propulsion may influence the lifetime risk of pain. We evaluated the influence of sex on 3-dimensional
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The Effects of Optical Flow Perturbations on Standing Balance in People With Multiple Sclerosis. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-11-14 Olivia S Elie,Jason R Franz,Brian P Selgrade
Multiple sclerosis is a neurodegenerative disease that causes balance deficits, even in early stages. Evidence suggests that people with multiple sclerosis (PwMS) rely more on vision to maintain balance, and challenging balance with optical flow perturbations may be a practical screening for balance deficits. Whether these perturbations affect standing balance in PwMS is unknown. Therefore, the purpose
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Comparison Between Movement Pattern Training and Strengthening on Kinematics and Kinetics in Patients With Chronic Hip-Related Groin Pain. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-11-08 Ramya Palaniappan,Michael D Harris,Karen Steger-May,Allyn M Bove,G Kelley Fitzgerald,John C Clohisy,Marcie Harris-Hayes
The purpose of this study was to compare the preliminary effects of movement pattern training (MoveTrain) versus strengthening/flexibility (standard) treatment on hip and pelvic biomechanics in patients with chronic hip-related groin pain. This is a secondary analysis of data collected during a pilot randomized clinical trial. Thirty patients with hip pain, between the ages of 15 and 40 years, were
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The Contribution of Lower-Body Kinematics to Pitching and Hitting Performance in Baseball: Utilizing the OpenBiomechanics Project. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-11-08 Corey S Perrett
As markerless motion capture systems become more affordable than ever, it is becoming far easier to collect and analyze kinematic data on baseballers. To ensure this data can be used impactfully, coaches and practitioners should possess a good understanding of specific technique characteristics that are associated with enhanced performance in pitchers and hitters. This study used the open-source data
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Experimentally Induced Pain Results in Reduced Activity of the Rotator Cuff Muscles in Healthy Subjects J. Appl. Biomech. (IF 1.4) Pub Date : 2023-11-07 Jennifer L. Cooper, Andrew R. Karduna
Shoulder pain is a complex, prevalent problem that is multifactorial in nature. While there are many potential causes, one common suspect is the rotator cuff musculature. The purpose of the present study was to induce pain in the supraspinatus muscle of healthy subjects and observe the resulting changes in muscle activity. Eight muscles on 23 subjects were assessed using electromyography: anterior
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Commingling Effects of Anterior Load and Walking Surface on Dynamic Gait Stability in Young Adults J. Appl. Biomech. (IF 1.4) Pub Date : 2023-10-27 Caroline Simpkins, Jiyun Ahn, Rebekah Buehler, Rebecca Ban, Meredith Wells, Feng Yang
Treadmill walking has been used as a surrogate for overground walking to examine how load carriage affects gait. The validity of using treadmill walking to investigate load carriage’s effects on stability has not been established. Thirty young adults were randomized into 3 front-loaded groups (group 1: 0%, 2: 10%, or 3: 20% of bodyweight). Participants carried their load during overground and treadmill
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Delivering Load-Modifying Gait Retraining Interventions via Telehealth in People With Medial Knee Osteoarthritis: A Pilot Randomized Placebo-Controlled Clinical Trial J. Appl. Biomech. (IF 1.4) Pub Date : 2023-10-25 Nicole D’Souza, Laura Hutchison, Jane Grayson, Claire Hiller, Sarah Kobayashi, Milena Simic
We aimed to investigate the effects of delivering 3 gait retraining interventions (toe-in, toe-out, and placebo gait) on proxy measures of medial knee load (early- and late-stance peak knee adduction moment [KAM], KAM impulse, and varus thrust) in people with knee osteoarthritis, using a hybrid model of face-to-face and telehealth-delivered sessions over 5 months. This was an originally planned 3-arm
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A New Way to Restrict Free Leg Movement During Unilateral Vertical Jump Test J. Appl. Biomech. (IF 1.4) Pub Date : 2023-10-24 Christian Schmidt, Mike Perroulaz, Yago Perez, Jérémie Rosset, Gabriel Wüthrich, Davide Malatesta, Pierre Samozino
The purpose of this investigation was (1) to test the effect of movement restriction of the free leg during unilateral vertical jump on performance and power output comparing 2 different jump techniques: flexed (Classic technique) and straight (FC Luzern technique) free leg, and (2) to test the correlation between performance and power output obtained using these 2 techniques. Twenty elite soccer players
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People With Low Back Pain Exhibit Higher Trunk Muscle Activity and Impaired Postural Control During Static and Dynamic Functional Tasks: A Cross-Sectional Study J. Appl. Biomech. (IF 1.4) Pub Date : 2023-10-12 Sara Salamat, Saeed Talebian, Nader Maroufi, Gitta Kalbassi, Davood Salamat, Kieran O’Sullivan
The study compared superficial trunk muscle activity and postural control among an active extension subgroup of people with nonspecific chronic low back pain (AE-NSCLBP) with painfree controls during functional tasks. Thirty-two people (17 people with low back pain [LBP] and 15 painfree controls) participated in this study. Muscle activity of 5 trunk muscles and postural control were investigated during
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Do Sex and Age Influence Scapular and Thoracohumeral Kinematics During a Functional Task Protocol? J. Appl. Biomech. (IF 1.4) Pub Date : 2023-10-11 Alexander Waslen,Kenzie B Friesen,Angelica E Lang
There is mixed evidence on the role that biological sex plays in shoulder biomechanics despite known differences in musculoskeletal disorder prevalence between males and females. Additionally, advancing age may contribute to shoulder kinematic changes. The purpose of this study was to determine if sex and age influenced scapular and thoracohumeral kinematics during a range of functional tasks. Sixty
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Increasing Breast Support is Associated With a Distal-to-Proximal Redistribution of Joint Negative Work During a Double-Limb Landing Task J. Appl. Biomech. (IF 1.4) Pub Date : 2023-10-10 Hailey B. Fong, Alexis K. Nelson, Deirdre McGhee, Kevin R. Ford, Douglas W. Powell
Female athletes exhibit greater rates of anterior cruciate ligament injury compared with male athletes. Biomechanical factors are suggested to contribute to sex differences in injury rates. No previous investigation has evaluated the role of breast support on landing biomechanics. This study investigates the effect of breast support on joint negative work and joint contributions to total negative work
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The Vehicle Seating Intervention Trial: Cross-Over Randomized Controlled Trial to Evaluate the Impact of 2 Car Seat Configurations on Spinal Posture J. Appl. Biomech. (IF 1.4) Pub Date : 2023-10-04 Diana De Carvalho, Kristi Randhawa, Leslie Verville, Sheilah Hogg-Johnson, Samuel J. Howarth, Carmen Liang, Silvano Mior, Pierre Côté
Driving posture can lead to musculoskeletal pain. Most work focuses on the lower back; therefore, we know little about automobile seat design and neck posture. This study evaluated an automobile driver seat that individualized upper back support to improve head and neck posture. Specifically, we examined the system’s impact on anterior head translation with secondary outcomes of spine posture and perceptions
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Quantitative Muscle Fascicle Tractography Using Brightness-Mode Ultrasound J. Appl. Biomech. (IF 1.4) Pub Date : 2023-10-04 Hannah Kilpatrick, Emily Bush, Carly Lockard, Xingyu Zhou, Crystal Coolbaugh, Bruce Damon
A muscle’s architecture, defined as the geometric arrangement of its fibers with respect to its mechanical line of action, impacts its abilities to produce force and shorten or lengthen under load. Ultrasound and other noninvasive imaging methods have contributed significantly to our understanding of these structure–function relationships. The goal of this work was to develop a MATLAB toolbox for tracking
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Variables Associated With Knee Valgus in Male Professional Soccer Players During a Single-Leg Vertical Landing Task. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-09-29 Matheus Vianna,Leonardo Metsavaht,Eliane Guadagnin,Carlos Eduardo Franciozi,Marcus Luzo,Marcio Tannure,Gustavo Leporace
Prior studies have explored the relationship between knee valgus and musculoskeletal variables to formulate injury prevention programs, primarily for females. Nonetheless, there is insufficient evidence pertaining to professional male soccer players. Here, the aim was to test the correlation of lateral trunk inclination, hip adduction, hip internal rotation, ankle dorsiflexion range of motion, and
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Reliability of Shoulder Helical Axes During Intransitive and Transitive Upper Limb Tasks J. Appl. Biomech. (IF 1.4) Pub Date : 2023-09-28 Paola Adamo, Federico Temporiti, Martina Maffeis, Francesco Bolzoni, Roberto Gatti
Shoulder complex stability can be estimated in vivo through the analysis of helical axes (HAs) dispersion during upper limb movements. The study aimed at investigating test–retest reliability of shoulder HAs dispersion parameters during upper limb tasks. Twenty healthy volunteers performed 2 intransitive (shoulder flexion and rotation) and one transitive (combing) tasks with the dominant and nondominant
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The History and Future of Neuromusculoskeletal Biomechanics. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-09-26 David G Lloyd,Ilse Jonkers,Scott L Delp,Luca Modenese
The Executive Council of the International Society of Biomechanics has initiated and overseen the commemorations of the Society's 50th Anniversary in 2023. This included multiple series of lectures at the ninth World Congress of Biomechanics in 2022 and XXIXth Congress of the International Society of Biomechanics in 2023, all linked to special issues of International Society of Biomechanics' affiliated
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Tapping Into Skeletal Muscle Biomechanics for Design and Control of Lower Limb Exoskeletons: A Narrative Review. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-09-26 Zahra S Mahdian,Huawei Wang,Mohamed Irfan Mohamed Refai,Guillaume Durandau,Massimo Sartori,Mhairi K MacLean
Lower limb exoskeletons and exosuits ("exos") are traditionally designed with a strong focus on mechatronics and actuation, whereas the "human side" is often disregarded or minimally modeled. Muscle biomechanics principles and skeletal muscle response to robot-delivered loads should be incorporated in design/control of exos. In this narrative review, we summarize the advances in literature with respect
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Tibiofemoral Load Magnitude and Distribution During Load Carriage J. Appl. Biomech. (IF 1.4) Pub Date : 2023-09-22 Blake W. Jones, John D. Willson, Paul DeVita, Ryan D. Wedge
Chronic exposure to high tibiofemoral joint (TFJ) contact forces can be detrimental to knee joint health. Load carriage increases TFJ contact forces, but it is unclear whether medial and lateral tibiofemoral compartments respond similarly to incremental load carriage. The purpose of our study was to compare TFJ contact forces when walking with 15% and 30% added body weight. Young healthy adults (n = 24)
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The Influence of Multiple Pregnancies on Gait Asymmetry: A Case Study J. Appl. Biomech. (IF 1.4) Pub Date : 2023-09-13 Aude S. Lefranc, Glenn K. Klute, Richard R. Neptune
Gait asymmetry is a predictor of fall risk and may contribute to increased falls during pregnancy. Previous work indicates that pregnant women experience asymmetric joint laxity and pelvic tilt during standing and asymmetric joint moments and angles during walking. How these changes translate to other measures of gait asymmetry remains unclear. Thus, the purpose of this case study was to determine
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Muscle Fiber Conduction Velocity During Electrically Stimulated Contraction at Various Joint Angles, During Joint Movements, and During Voluntary Contractions. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-09-07 Tetsuya Hirono,Kohei Watanabe
Muscle fiber conduction velocity (MFCV) can be affected by muscle fiber geometry at different joint angles and during joint movements. This study aimed to investigate MFCV during electrically evoked contraction at different joint angles, during joint movements, and during voluntary contractions. Sixteen healthy young men participated. A stimulation electrode was attached on the innervation zone of
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Walking Kinematic Coordination Becomes More In-Phase at Extreme Inclines J. Appl. Biomech. (IF 1.4) Pub Date : 2023-09-04 Alexis D. Gidley, Joshua P. Bailey
Previous research has shown that there are differences in mechanical energy, kinematics, and muscle activation when comparing walking on level and incline surfaces, especially on inclines above 15%. Muscle activations are significantly different while walking on extreme inclines, suggesting a different coordination pattern. We utilized continuous relative phase to assess walking kinematic coordination
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Multifidus Denervation After Radiofrequency Ablation of the Medial Nerve Alters the Biomechanics of the Spine—A Computational Study J. Appl. Biomech. (IF 1.4) Pub Date : 2023-08-29 Faris A. Almalki, Daniel H. Cortes
Radiofrequency ablation of the medial branch is commonly used to treat chronic low back pain involving facet joints, which accounts for 12% to 37% of the total cases of chronic low back pain. An adverse effect of this procedure is the denervation of the multifidus muscle, which may lead to its atrophy which can affect the spine and possibly disc degeneration. This study aims to quantify changes in
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Prediction of Model Generated Patellofemoral Joint Contact Forces Using Principal Component Prediction and Reconstruction. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-08-26 Myles Ashall,Mitchell G A Wheatley,Chris Saliba,Kevin J Deluzio,Michael J Rainbow
It is not currently possible to directly and noninvasively measure in vivo patellofemoral joint contact force during dynamic movement; therefore, indirect methods are required. Simple models may be inaccurate because patellofemoral contact forces vary for the same knee flexion angle, and the patellofemoral joint has substantial out-of-plane motion. More sophisticated models use 3-dimensional kinematics
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A Narrative Review of Personalized Musculoskeletal Modeling Using the Physiome and Musculoskeletal Atlas Projects. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-08-22 Justin Fernandez,Vickie Shim,Marco Schneider,Julie Choisne,Geoff Handsfield,Ted Yeung,Ju Zhang,Peter Hunter,Thor Besier
In this narrative review, we explore developments in the field of computational musculoskeletal model personalization using the Physiome and Musculoskeletal Atlas Projects. Model geometry personalization; statistical shape modeling; and its impact on segmentation, classification, and model creation are explored. Examples include the trapeziometacarpal and tibiofemoral joints, Achilles tendon, gastrocnemius
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Open Foot Stance Reduces Lead Knee Joint Loading During Golf Swing J. Appl. Biomech. (IF 1.4) Pub Date : 2023-08-16 Hannah Stokes, Rafael Escamilla, Joseph Bellapianta, Hongsheng Wang, Tyson Beach, Dave Frost, Naiquan Zheng
Foot stance and club type’s relationship with lead knee joint biomechanics and possible involvement with injury incidences in amateur golfers have not been evaluated. This study included 16 male right-handed amateur golfers who performed golf swings with 2 different foot stances (straight and open) using 4 different club types (driver, 3 iron, 6 iron, and 9 iron) while standing on 2 force plates in
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Modeling Human Suboptimal Control: A Review J. Appl. Biomech. (IF 1.4) Pub Date : 2023-08-16 Alex Bersani, Giorgio Davico, Marco Viceconti
This review paper provides an overview of the approaches to model neuromuscular control, focusing on methods to identify nonoptimal control strategies typical of populations with neuromuscular disorders or children. Where possible, the authors tightened the description of the methods to the mechanisms behind the underlying biomechanical and physiological rationale. They start by describing the first
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A Digital Twin Framework for Precision Neuromusculoskeletal Health Care: Extension Upon Industrial Standards. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-08-11 David J Saxby,Claudio Pizzolato,Laura E Diamond
There is a powerful global trend toward deeper integration of digital twins into modern life driven by Industry 4.0 and 5.0. Defense, agriculture, engineering, manufacturing, and urban planning sectors have thoroughly incorporated digital twins to great benefit across their respective product lifecycles. Despite clear benefits, a digital twin framework for health and medical sectors is yet to emerge
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The Effect of the Nordic Hamstring Exercise on Muscle Activity: A Multichannel Electromyography Randomized Controlled Trial J. Appl. Biomech. (IF 1.4) Pub Date : 2023-08-11 Jozef J.M. Suskens, Huub Maas, Jaap H. van Dieën, Gino M.M.J. Kerkhoffs, Edwin A. Goedhart, Johannes L. Tol, Gustaaf Reurink
The aim of this study was to evaluate the effect of a Nordic hamstring exercise intervention on biceps femoris long head, semitendinosus, and semimembranosus muscle’s activity and relative contributions through multichannel electromyography. Twenty-four injury-free male basketball players (mean age 20 [3] y) were randomly assigned to a 12-week intervention (n = 13) or control group (n = 11). The primary
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Predicting Gait Patterns of Children With Spasticity by Simulating Hyperreflexia. J. Appl. Biomech. (IF 1.4) Pub Date : 2023-08-02 Kirsten Veerkamp,Christopher P Carty,Niels F J Waterval,Thomas Geijtenbeek,Annemieke I Buizer,David G Lloyd,Jaap Harlaar,Marjolein M van der Krogt
Spasticity is a common impairment within pediatric neuromusculoskeletal disorders. How spasticity contributes to gait deviations is important for treatment selection. Our aim was to evaluate the pathophysiological mechanisms underlying gait deviations seen in children with spasticity, using predictive simulations. A cluster analysis was performed to extract distinct gait patterns from experimental
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Preparing to Land: Hamstring Preactivation Is Higher in Females and Is Inhibited by Fatigue J. Appl. Biomech. (IF 1.4) Pub Date : 2023-07-25 David Alan Phillips, Bridgette Rae Buckalew, Bridget Keough, Jacklyn Stephanie Alencewicz
The hamstring plays an important role in reducing loads born by the anterior cruciate ligament. As anterior cruciate ligament injuries occur rapidly after ground contact, how the hamstring is activated prior to landing can influence injury risk. The purpose was to determine sex-related differences in hamstring activation immediately before landing and the effect of fatigue on “preactivation.” Twenty-four
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Effects of Resistance Training of Upper Limb and Trunk Muscles on Soccer Instep Kick Kinematics J. Appl. Biomech. (IF 1.4) Pub Date : 2023-07-24 Miguel Arcanjo de Assis, Thiago Ribeiro Teles Santos, Sergio Teixeira Fonseca, André Gustavo Pereira de Andrade, Priscila Albuquerque Araújo, Thales Rezende de Souza, Renan Alves Resende, Juliana Melo Ocarino
The upper body and trunk muscles are crucial to perform soccer kicks. Resistance training targeting these muscles may modify the pattern adopted during kicking. This study aimed to investigate the effect of resistance training of the arm and anterior trunk muscles on instep kicking kinematics. Twenty-six male participants were randomly allocated into a training group or control group. The training
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Influence of Surface Geometry on Palm and Fist Contact Pressure Distribution During Strikes With the Hand in Automotive Assembly J. Appl. Biomech. (IF 1.4) Pub Date : 2023-07-24 Lukas Hausmanninger, Igor Komnik, Mario Fleiter, Wolfgang Potthast
The increase in repetitive strain injuries to the hand underscores the need for assessing and preventing musculoskeletal overuse associated with hand-intensive tasks. This study investigates the risk of overload injuries in soft tissue structures of the hand by analyzing the pressure distribution and location of peak pressure in the hand during snap-fit connection assembly in the automotive industry
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Running-Related Achilles Tendon Injury: A Prospective Biomechanical Study in Recreational Runners J. Appl. Biomech. (IF 1.4) Pub Date : 2023-07-07 Jiri Skypala, Joseph Hamill, Michal Sebera, Steriani Elavsky, Andrea Monte, Daniel Jandacka
There are relatively few running studies that have attempted to prospectively identify biomechanical risk factors associated with Achilles tendon (AT) injuries. Therefore, the aim was to prospectively determine potential running biomechanical risk factors associated with the development of AT injuries in recreational, healthy runners. At study entry, 108 participants completed a set of questionnaires
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In Silico Biomarkers of Motor Function to Inform Musculoskeletal Rehabilitation and Orthopedic Treatment J. Appl. Biomech. (IF 1.4) Pub Date : 2023-06-22 Ilse Jonkers, Erica Beaucage-Gauvreau, Bryce Adrian Killen, Dhruv Gupta, Lennart Scheys, Friedl De Groote
In this review, we elaborate on how musculoskeletal (MSK) modeling combined with dynamic movement simulation is gradually evolving from a research tool to a promising in silico tool to assist medical doctors and physical therapists in decision making by providing parameters relating to dynamic MSK function and loading. This review primarily focuses on our own and related work to illustrate the framework
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Standing Pelvic Tilt Is Associated With Dynamic Pelvic Tilt During Running When Measured by 3-Dimensional Motion Capture J. Appl. Biomech. (IF 1.4) Pub Date : 2023-06-16 Madison S. Mach, Kyle T. Ebersole, Hayley E. Ericksen, Anh-Dung Nguyen, Jennifer E. Earl-Boehm
Standing pelvic tilt (PT) is related to biomechanics linked with increased risk of injury such as dynamic knee valgus. However, there is limited evidence on how standing PT relates to dynamic PT and whether the palpation meter (PALM), a tool to measure standing PT, is valid against 3-dimensional (3D) motion analysis. The purposes of this study were to (1) determine the criterion validity of the PALM
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Can Shoulder Impairments Be Classified From 3-Dimensional Kinematics Using Inertial Sensors? J. Appl. Biomech. (IF 1.4) Pub Date : 2023-06-12 Bruno Mazuquin, Karl Peter Gill, Puneet Monga, James Selfe, Jim Richards
Inertial sensors may help clinicians to assess patients’ movement and potentially support clinical decision making. Our aim was to determine whether shoulder range of motion during movement tasks measured using inertial sensors is capable of accurately discriminating between patients with different shoulder problems. Inertial sensors were used to measure 3-dimensional shoulder motion during 6 tasks
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Examining the Effect of Time-From-Treatment on Activities of Daily Living Kinematics in Breast Cancer Survivors J. Appl. Biomech. (IF 1.4) Pub Date : 2023-05-24 Rebecca A.M. Wills, Jacquelyn M. Maciukiewicz, Marina Mourtzakis, Clark R. Dickerson
Breast cancer affects one in 8 females with a 5-year survival rate of 89%. Up to 72% of breast cancer survivors have trouble with activities of daily living (ADL) following treatment. Increased time-from-treatment improves some measures of function, yet ADL limitations persist. Therefore, this study assessed the effect of time-from-treatment on upper extremity kinematics during ADLs in breast cancer
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Subsequent Jumping Increases the Knee and Hip Abduction Moment, Trunk Lateral Tilt, and Trunk Rotation Motion During Single-Leg Landing in Female Individuals J. Appl. Biomech. (IF 1.4) Pub Date : 2023-05-24 Masato Chijimatsu, Tomoya Ishida, Masanori Yamanaka, Shohei Taniguchi, Ryo Ueno, Ryohei Ikuta, Mina Samukawa, Takumi Ino, Satoshi Kasahara, Harukazu Tohyama
Single-leg landings with or without subsequent jumping are frequently used to evaluate landing biomechanics. The purpose of this study was to investigate the effects of subsequent jumping on the external knee abduction moment and trunk and hip biomechanics during single-leg landing. Thirty young adult female participants performed a single-leg drop vertical jumping (SDVJ; landing with subsequent jumping)
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Head Impact Exposure in Female Collegiate Soccer by Activity Type J. Appl. Biomech. (IF 1.4) Pub Date : 2023-05-20 Mary Frances Segars, Tanner M. Filben, N. Stewart Pritchard, Logan E. Miller, Christopher M. Miles, Joel D. Stitzel, Jillian E. Urban
Soccer, one of the most popular sports in the world, has one of the highest rates of sports-related concussions. Additionally, soccer players are frequently exposed to nonconcussive impacts from intentionally heading the ball, a fundamental component of the sport. There have been many studies on head impact exposure in soccer, but few focus on soccer practices or practice activities. This study aimed
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Inertial Sensor-Based Estimation of Temporal Events in Skating Sub-Techniques While In-Field Roller Skiing J. Appl. Biomech. (IF 1.4) Pub Date : 2023-05-09 Frédéric Meyer, Magne Lund-Hansen, Jan Kocbach, Trine M. Seeberg, Øyvind B. Sandbakk, Andreas Austeng
The aim of this study was to test and adapt a treadmill-developed method for determination of inner-cycle parameters and sub-technique in cross-country roller ski skating for a field application. The method is based on detecting initial and final ground contact of poles and skis during cyclic movements. Eleven athletes skied 4 laps of 2.5 km at low- and high-endurance intensities, using 2 types of
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Effects of Visual Input Absence on Balance Recovery Responses to Lateral Standing Surface Perturbations in Older and Younger Adults J. Appl. Biomech. (IF 1.4) Pub Date : 2023-05-04 Woohyoung Jeon, James Borrelli, Hao-Yuan Hsiao
Although the ability to recover balance in the lateral direction has important implications with regard to fall risk in older adults, the effect of visual input on balance recovery in response to lateral perturbation and the effect of age are not well studied. We investigated the effect of visual input on balance recovery response to unpredictable lateral surface perturbations and its age-related changes
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Joint Coordination With a Change in Task Constraint During Accurate Overhead Throwing J. Appl. Biomech. (IF 1.4) Pub Date : 2023-05-04 Arata Kimura, Shinsuke Yoshioka, Senshi Fukashiro
In sports situations, players may be required to throw at different speeds. The question of how skilled players throw the ball accurately to the desired location under different speed conditions is of interest to biomechanics researchers. Previous research suggested that throwers use different types of joint coordination. However, joint coordination with a change in throwing speed has not been studied
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Characterization of Head Acceleration Exposure During Youth Football Practice Drills J. Appl. Biomech. (IF 1.4) Pub Date : 2023-04-27 Ty D. Holcomb, Madison E. Marks, N. Stewart Pritchard, Logan Miller, Mark A. Espeland, Christopher M. Miles, Justin B. Moore, Kristie L. Foley, Joel D. Stitzel, Jillian E. Urban
Many head acceleration events (HAEs) observed in youth football emanate from a practice environment. This study aimed to evaluate HAEs in youth football practice drills using a mouthpiece-based sensor, differentiating between inertial and direct HAEs. Head acceleration data were collected from athletes participating on 2 youth football teams (ages 11–13 y) using an instrumented mouthpiece-based sensor
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The Effect of Sensor Placement on Measured Distal Tibial Accelerations During Running J. Appl. Biomech. (IF 1.4) Pub Date : 2023-04-27 Lauren K. Sara, Jereme Outerleys, Caleb D. Johnson
Inertial measurement units (IMUs) attached to the distal tibia are a validated method of measuring lower-extremity impact accelerations, called tibial accelerations (TAs), in runners. However, no studies have investigated the effects of small errors in IMU placement, which would be expected in real-world, autonomous use of IMUs. The purpose of this study was to evaluate the effect of a small proximal
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The Effects of Posture and Dynamic Stretching on the Electromechanical Delay of the Paraspinal Muscles J. Appl. Biomech. (IF 1.4) Pub Date : 2023-04-27 Richard O. Fagbemigun, Melissa Cavallo, Stephen H.M. Brown
Electromechanical delay (EMD) of muscle is influenced in part by its in-series arrangement with connective tissue. Therefore, studying EMD might provide a better understanding of the muscle–connective tissue interaction. Here, EMD of the thoracic and lumbar erector spinae muscles were investigated under conditions that could influence muscle–connective tissue interaction. A total of 19 participants
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Lower Extremity Inverse Kinematics Results Differ Between Inertial Measurement Unit- and Marker-Derived Gait Data J. Appl. Biomech. (IF 1.4) Pub Date : 2023-04-06 Jocelyn F. Hafer, Julien A. Mihy, Andrew Hunt, Ronald F. Zernicke, Russell T. Johnson
In-lab, marker-based gait analyses may not represent real-world gait. Real-world gait analyses may be feasible using inertial measurement units (IMUs) in combination with open-source data processing pipelines (OpenSense). Before using OpenSense to study real-world gait, we must determine whether these methods estimate joint kinematics similarly to traditional marker-based motion capture (MoCap) and
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Variability of Spatiotemporal Gait Kinematics During Treadmill Walking: Is There a Hawthorne Effect? J. Appl. Biomech. (IF 1.4) Pub Date : 2023-03-31 Saaniya Farhan, Marco A. Avalos, Noah J. Rosenblatt
Spatiotemporal gait kinematics and their variability are commonly assessed in clinical and laboratory settings to quantify fall risk. Although the Hawthorne effect, or modifications in participant behavior due to knowledge of being observed, has the potential to impact such assessments, it has received minimal attention in the study of gait—particularly gait variability. The purpose of this study was
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Minimum Sampling Frequency for Accurate and Reliable Tibial Acceleration Measurements During Rearfoot Strike Running in the Field J. Appl. Biomech. (IF 1.4) Pub Date : 2023-03-31 Kevin G. Aubol, Clare E. Milner
Field-based tibial acceleration measurements are increasingly common but sampling frequencies vary between accelerometers. The purpose of this study was to determine the minimum sampling frequency needed for reliable and accurate measurement of peak axial and resultant tibial acceleration during running in the field. Tibial acceleration was measured at 7161 Hz in 19 healthy runners on concrete and
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Mechanisms of Anterior Cruciate Ligament Tears in Professional National Basketball Association Players: A Video Analysis J. Appl. Biomech. (IF 1.4) Pub Date : 2023-03-31 Adam J. Petway, Matthew J. Jordan, Scott Epsley, Philip Anloague, Ernest Rimer
A systematic search was performed of online databases for any anterior cruciate ligament (ACL) injuries within the NBA. Video was obtained of injuries occurring during competition and downloaded for 2-dimensional video analysis. Thirty-five in-game videos were obtained for analysis. Of the reviewed cases, 19% were noncontact ACL injuries where there was no player-to-player contact from an opposing
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Movement Onset Detection Methods: A Comparison Using Force Plate Recordings J. Appl. Biomech. (IF 1.4) Pub Date : 2023-03-13 Brendan L. Pinto, Jack P. Callaghan
Computational approaches for movement onset detection can standardize and automate analyses to improve repeatability, accessibility, and time efficiency. With the increasing interest in assessing time-varying biomechanical signals such as force–time recordings, there remains a need to investigate the recently adopted 5 times the standard deviation (5 × SD) threshold method. In addition, other employed
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Early Changes in Postural Balance Following Inverted V-Shaped High Tibial Osteotomy in Patients With Knee Osteoarthritis J. Appl. Biomech. (IF 1.4) Pub Date : 2023-03-10 Kento Sabashi, Takeshi Chiba, Koji Iwasaki, Tomohiro Onodera, Eiji Kondo, Norimasa Iwasaki, Harukazu Tohyama
Patients with knee osteoarthritis and varus knee deformity have impaired postural balance, resulting in decreased walking performance and an increased risk of falls. This study aimed to investigate the early changes in the postural balance following inverted V-shaped high tibial osteotomy (HTO). Fifteen patients with medial knee osteoarthritis were recruited. Postural balance was assessed using the
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Are Age, Self-Selected Walking Speed, or Propulsion Force Predictors of Gait-Related Changes in Older Adults? J. Appl. Biomech. (IF 1.4) Pub Date : 2023-03-10 Dheyani Malde, Natalie Pizzimenti, John McCamley, Bonnie Sumner
There is limited research that directly compares the effect of reduced speed with reduced propulsive force production (PFP) on age-related gait changes. We aimed to determine how changes in the gait of older adults correlate with age, speed, or peak PFP over a 6-year span. We collected kinematics and kinetics of 17 older subjects at 2 time points. We determined which biomechanical variables changed
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Effects of Gluteus Medius and Biceps Femoris Stimulation on Reduction of Knee Abduction Moment During a Landing Task J. Appl. Biomech. (IF 1.4) Pub Date : 2023-03-03 Dan Wang, Man Wang, Vikki Wing-Shan Chu, Patrick Shu-Hang Yung, Daniel T.P. Fong
Anterior cruciate ligament injury prevention should focus primarily on reduction of the knee abduction moment (KAM) in landing tasks. Gluteus medius and hamstring forces are considered to decrease KAM during landing. The effects of different muscle stimulations on KAM reduction were compared using 2 electrode sizes (standard 38 cm2 and half size 19 cm2) during a landing task. Twelve young healthy female
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Rapid Change in the Direction of Hand Movement to Increase Hand Propulsion During Front Crawl Swimming J. Appl. Biomech. (IF 1.4) Pub Date : 2023-03-03 Shigetada Kudo, Yuji Matsuda, Yoshihisa Sakurai, Yasushi Ikuta
This study aims to investigate the difference in hand acceleration induced by rapid changes in hand movement directions and propulsion between fast and slow groups of swimmers during front crawl swimming. Twenty-two participants, consisting of 11 fast and 11 slow swimmers, performed front crawl swimming at their maximal effort. Hand acceleration and velocity and the angle of attack were measured using
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Hip Joint Biomechanical Parameters and Their Relationship With the Esthetic Functional Performance of the Développé à la Seconde Movement in Classical Ballet Dancers J. Appl. Biomech. (IF 1.4) Pub Date : 2023-02-20 Fernanda Metzen, João Breno Ribeiro-Alvares, Klauber Dalcero Pompeo, Francesca Chaida Sonda, Rodrigo Silva Santos, Marco Aurélio Vaz
Développé à la seconde is a classic ballet movement that requires the maintenance of a high hip joint range of motion (ROM) and muscle strength. However, the contribution of these hip joint biomechanical parameters to this movement’s esthetic performance is unclear. Therefore, this study evaluated hip joint biomechanical characteristics of 21 experienced ballet dancers (15–29 y old) and verified the
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Activity Distribution Among the Hamstring Muscles During the Nordic Hamstring Exercise: A Multichannel Surface Electromyography Study J. Appl. Biomech. (IF 1.4) Pub Date : 2023-02-15 Jozef J.M. Suskens, Gustaaf Reurink, Johannes L. Tol, Gino M.M.J. Kerkhoffs, Edwin A. Goedhart, Huub Maas, Jaap H. van Dieën
This study assessed activity distribution among the hamstring muscles during the Nordic hamstring exercise (NHE). The objective was to compare muscle activity between and within muscles during the NHE to add insights in its underlying protective mechanism. Through multichannel electromyography, we measured muscle activity in male basketball players during the NHE. Electromyography was assessed at 15
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A Minimal Sensor Inertial Measurement Unit System Is Replicable and Capable of Estimating Bilateral Lower-Limb Kinematics in a Stationary Bodyweight Squat and a Countermovement Jump J. Appl. Biomech. (IF 1.4) Pub Date : 2023-01-18 AuraLea Fain, Benjamin Hindle, Jordan Andersen, Bradley C. Nindl, Matthew B. Bird, Joel T. Fuller, Jodie A. Wills, Tim L.A. Doyle
This study aimed to validate a 7-sensor inertial measurement unit system against optical motion capture to estimate bilateral lower-limb kinematics. Hip, knee, and ankle sagittal plane peak angles and range of motion (ROM) were compared during bodyweight squats and countermovement jumps in 18 participants. In the bodyweight squats, left peak hip flexion (intraclass correlation coefficient [ICC] =
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Left–Right Differential Erector Spinae Muscles Activation in Prone and Quadruped Positions J. Appl. Biomech. (IF 1.4) Pub Date : 2023-01-17 Nader Farahpour, Mahboube Alemzadeh, Mehri Mohammadi, Mohammadreza Rezaie, Paul Allard
Left–right differential erector spinae (ES) muscle strengthening is required to correct ES muscle imbalances. The objective was to test the effect of 6 body positions on the differential activation of the ES muscles. In 14 able-bodied young women, using a surface electromyography system, the bilateral ES muscles activity at the third lumbar (ESL3) and the 10th (EST10) and 6th (EST6) thoracic vertebral