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Are the ground reaction forces altered by the curve and with the increasing sprinting velocity? Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-16 Benjamin Millot, Didier Pradon, Giuseppe Cecchelli, Paul Blache, Axelle Arnould, Daniel Dinu, Jean Slawinski
In 200‐ and 400‐m races, 58% of the total distance to cover is in the curve. In the curve, the sprinting performance is decreased in comparison to the straight. However, the reasons for this decreased performance is not well understood. Thus, the aim of this study was to identify the kinetic parameters underpinning the sprinting performance in the curve in comparison to the straight. Nineteen experienced‐to‐elite
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Minimal power required to ascend a flight of stairs versus actual power measured with body‐fixed sensors in adults aged 19–85 years Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-16 Lien Meulemans, Jan Seghers, Annabel Hoorelbeke, Tinne Van Dijck, Christophe Delecluse, Evelien Van Roie
A good stair‐climbing (SC) ability is crucial for independent living in older adults. A simple formula that estimates the mean power needed to ascend a flight of stairs in a predetermined time (i.e., total ascent duration) is easy to implement in practice, but lacks information on actual power values generated per step. The latter is possible with body‐fixed sensors. This study aimed at comparing both
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Influence of a 7‐day Transalpine Trail Run on cardiac biomarkers and myocardial function Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-14 Katrin Esefeld, Marisa Geisberger, Sophia Marie‐Theres Dinges, Johanna Hambrecht, Felix Stegmüller, Michael Rasper, Jonathan Nadjiri, Franz Roeschenthaler, Stefan Holdenrieder, Jürgen Scharhag, Martin Halle
Intense physical exercise is known to increase cardiac biomarkers; however, it is unclear, whether this phenomenon is physiological, or if it indicates myocardial tissue injury. The aim of our study was to investigate the effects of seven consecutive days of excessive endurance exercise on continuous assessment of cardiac biomarkers, function, and tissue injury. During a 7‐day trail‐running competition
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Post exercise hot water immersion and hot water immersion in isolation enhance vascular, blood marker, and perceptual responses when compared to exercise alone Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-12 Charles J. Steward, Mathew Hill, Campbell Menzies, Stephen J. Bailey, Mushidur Rahman, C. Douglas Thake, Christopher J. A. Pugh, Tom Cullen
Exercise and passive heating induce some similar vascular hemodynamic, circulating blood marker, and perceptual responses. However, it remains unknown whether post exercise hot water immersion can synergise exercise derived responses and if they differ from hot water immersion alone. This study investigated the acute responses to post moderate‐intensity exercise hot water immersion (EX+HWI) when compared
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Early morning sport scheduling is associated with poorer subjective sleep characteristics in British student‐athletes Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-09 Sandy M. B. Wilson, Martin I. Jones, Stephen B. Draper, John K. Parker
This study presents the sleep characteristics of British student‐athletes and examines the relationships between sport scheduling and time demands on sleep outcomes. Student‐athletes (n = 157, 51% male) completed the Pittsburgh Sleep Quality Index (PSQI), Epworth Sleepiness Scale (ESS), and the Sleep Hygiene Index (SHI). Self‐reported sleep characteristics on weekdays and weekends, weekly frequencies
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Acute effects of caffeine supplementation on kinematics and kinetics of sprinting Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-09 Masahiro Horiuchi, Ryu Nagahara
We investigated the acute effects of caffeine supplementation (6 mg・kg−1) on 60‐m sprint performance and underlying components with a step‐to‐step ground reaction force measurement in 13 male sprinters. After the first round sprint as a control, caffeine supplementation‐induced improvement in 60‐m sprint times (7.811 s at the first versus 7.648 s at the second round, 2.05%) were greater compared with
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Improving duplex ultrasound methods for diagnosing functional popliteal artery entrapment syndrome Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-09 David W. Barrett, Joao Carreira, Frank L. Bowling, Leszek Wolowczyk, Steven K. Rogers
ObjectivesPopliteal artery entrapment syndrome (PAES) is a rare condition where musculoskeletal structures compress the popliteal artery (POPA) leading to vascular compromise. This study investigates the effect of dynamic plantar‐ and dorsi‐flexion loading on POPA hemodynamic parameters to develop a robust diagnostic ultrasound‐based protocol for diagnosing functional PAES.MethodsHealthy individuals
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The effect of long‐term soccer training on left ventricular structure and function in elite male youth soccer players Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-08 Viswanath B. Unnithan, Alexander Beaumont, Thomas Rowland, Keith George, Laura Stewart, Nicholas Sculthorpe, Rachel N. Lord, David L. Oxborough
AimsCardiac adaptations in elite, male adolescent youth soccer players have been demonstrated in relation to training status. The time course of these adaptations and the delineation of the influence of volatile growth phases from the training effect on these adaptations remain unclear. Consequently, the aims of the study were to evaluate the impact of 3 years of elite‐level soccer training on changes
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Performance of two metabolic carts for cardiopulmonary exercise testing (MetaLyzer 3B and Oxycon Pro) in different climatic conditions Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-08 Gil Bourgois, Patrick Mucci, Tjeu Souren, Jan G. Bourgois, Jan Boone, Alessandro L. Colosio
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Validity of spatiotemporal and ground reaction force estimates during resisted sprinting with a motorized loading device Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-06 Norihide Sugisaki, Hiroyasu Tsuchie, Yohei Takai, Kai Kobayashi, Takaya Yoshimoto, Hiroaki Kanehisa
We aimed to examine the validity of estimating spatiotemporal and ground reaction force (GRF) parameters during resisted sprinting using a robotic loading device (1080 Sprint). Twelve male athletes (age: 20.9 ± 2.2 years; height: 174.6 ± 4.2 cm; weight: 69.4 ± 6.1 kg; means ± SDs) performed maximal resisted sprinting with three different loads using the device. The step frequency and length and step‐averaged
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How do sports injury epidemiological outcomes vary depending on athletes' response rates to a weekly online questionnaire? An analysis of 39‐week follow‐up from 391 athletics (track and field) athletes Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-05 Pascal Edouard, Pierre‐Eddy Dandrieux, David Blanco, Jeanne Tondut, Joris Chapon, Laurent Navarro, Astrid Junge, Karsten Hollander
ObjectiveTo explore how sports injury epidemiological outcomes (i.e., prevalence, average prevalence, incidence, burden, and time to first injury) vary depending on the response rates to a weekly online self‐reported questionnaire for athletes.MethodsWeekly information on athletics injuries and exposure from 391 athletics (track and field) athletes was prospectively collected over 39 weeks (control
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What makes an athlete? A scoping review: Assessing the use of the word athlete with anterior cruciate ligament rehabilitation review studies. Is there a standard? Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-04 C. Byrne, M. Ward, S. Saeedi, E. Obuseh
The term athlete does not currently have an agreed definition or standardized use across the literature. We analyzed the use of the term “athlete” amongst review studies specific to Anterior Cruciate Ligament (ACL) rehabilitation to investigate if the term was justified in its use. A comprehensive review of a database was performed to identify review papers which used the term “athlete” in the title
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Ischemic preconditioning increases spinal excitability and voluntary activation during maximal plantar flexion contractions in men Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-02 Rogério Cruz, Artur Ferreira Tramontin, Anderson Souza Oliveira, Fabrizio Caputo, Benedito Sérgio Denadai, Camila Coelho Greco
The enigmatic benefits of acute limb ischemic preconditioning (IP) in enhancing muscle force and exercise performance have intrigued researchers. This study sought to unravel the underlying mechanisms, focusing on increased neural drive and the role of spinal excitability while excluding peripheral factors. Soleus Hoffmann (H)‐reflex /M‐wave recruitment curves and unpotentiated supramaximal responses
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The promoting physical activity in regional and remote cancer survivors (PPARCS) trial: Physical activity maintenance Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-03-01 Sarah J. Hardcastle, Chloe Maxwell‐Smith, Vinicius Cavalheri, Terry Boyle, Marta Leyton Román, Cameron Platell, Michael Levitt, Christobel Saunders, Frank Sardelic, Sophie Nightingale, Jacob McCormick, Craig Lynch, Paul A. Cohen, Max Bulsara, Dana Hince
IntroductionThe study examined whether increased physical activity (PA) in nonmetropolitan cancer survivors was maintained 12 weeks following the PPARCS intervention.MethodsPA outcomes were assessed using an accelerometer at baseline, end of the intervention, and at 24 weeks. Linear mixed models were used to examine between‐group changes in PA outcomes.ResultsThe increased moderate‐to‐vigorous PA (MVPA)
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Are trunk stability and endurance determinant factors for whole‐body dynamic balance in physically active young males? A multidimensional analysis Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-28 J. De Los Ríos‐Calonge, D. Barbado, A. Prat‐Luri, C. Juan‐Recio, J. R. Heredia‐Elvar, J. L. L. Elvira, F. J. Vera‐Garcia
ObjectivesDetermine if (a) a better trunk stability and endurance are associated with an improved whole‐body dynamic balance, and if (b) the assessment tests can be interchanged within each capability.MethodsSixty‐three physically active young males performed three trunk stability (i.e., the lumbopelvic stability, the unstable sitting and the sudden loading sitting tests), three trunk muscle endurance
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A qualitative analysis of Swedish sport psychology practitioners' experience of a continued professional development program Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-22 Johanna Belz, Göran Kenttä, Hayley E. McEwan, Jelena Muetstege, David Tod
Although sport psychology practitioners and researchers acknowledge the importance of continued professional development (CPD) for professional effectiveness and excellence, few studies have explored the influence of CPD activities on the practitioners' practice and thinking. This study examined qualified Swedish sport psychology practitioners' experiences of engaging in a CPD program and how it impacted
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Gait biomechanics do not differ between adolescents with and without patellofemoral pain Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-21 Natalie Mazzella, Danielle Trowell, Aaron Fox, Natalie Saunders, Bill Vicenzino, Jason Bonacci
ObjectivesTo determine if adolescents with patellofemoral pain exhibit different biomechanical characteristics to asymptomatic adolescents during walking and running.MethodsTwenty‐eight adolescents with patellofemoral pain (16 male, 12 female, mean [SD] age: 14.3 [1.7] years) and 24 asymptomatic adolescents (13 male, 11 female, mean [SD] age: 14.1 [1.6] years) participated. Participants walked and
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Are all hamstring injuries equal? A retrospective analysis of time to return to full training following BAMIC type ‘c’ and T‐junction injuries in professional men's rugby union Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-20 Fearghal Kerin, Stuart O'Flanagan, Joe Coyle, Darragh Curley, Garreth Farrell, Ulrik McCarthy Persson, Giuseppe De Vito, Eamonn Delahunt
We aimed to determine whether the anatomical location (intramuscular tendon or T‐Junction) of hamstring muscle injuries in professional men's rugby union associates with a prolonged time to return to full training and a higher rate of re‐injury/subsequent injury. We reviewed the medical records of an Irish professional rugby union club to identify hamstring muscle injuries incurred across five seasons
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A “test in-train out” program versus a “go home and walk” intervention for home-based exercise therapy in patients with peripheral artery disease: A randomized controlled trial Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-13 Fabio Manfredini, Luca Traina, Valentina Ficarra, Giorgio Gandolfi, Antonio Argentoni, Sofia Straudi, Vincenzo Gasbarro, Nicola Lamberti
In this single-blinded randomized controlled trial, we compared the “Test in-Train Out” structured home-based exercise program (TiTo-SHB) with the traditional “go home and walk” exercise intervention in people with peripheral artery disease (PAD).
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Anticipation of landing leg masks ankle inversion orientation deficits and peroneal insufficiency during jump landing in people with chronic ankle instability Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-15 Zongchen Hou, Wei Shen, Daniel T. P. Fong, Samantha L. Winter
Ankle inversion orientation and peroneal activation insufficiency may contribute to lateral ankle sprains during landing in chronic ankle instability (CAI); however, how anticipation alters these factors is neglected. This study aimed to assess the impact of anticipation on joint orientation and muscle activity during landing in individuals with CAI. Fifteen participants with CAI and 15 healthy participants
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Determining intracortical, corticospinal and alpha motoneurone excitability in athletes with patellar tendinopathy compared to asymptomatic controls Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-08 Patrick Vallance, Peter Malliaras, Bill Vicenzino, Dawson J. Kidgell
Lower capacity to generate knee extension maximal voluntary force (MVF) has been observed in individuals affected with patellar tendinopathy (PT) compared to asymptomatic controls. This MVF deficit is hypothesized to emanate from alterations in corticospinal excitability (CSE). The modulation of CSE is intricately linked to the excitability levels at multiple sites, encompassing neurones within the
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Dropout from exercise trials among cancer survivors—An individual patient data meta-analysis from the POLARIS study Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-09 Benedikte Western, Andreas Ivarsson, Ingvild Vistad, Ingrid Demmelmaier, Neil K. Aaronson, Gillian Radcliffe, Marc van Beurden, Martin Bohus, Kerry S. Courneya, Amanda J. Daley, Daniel A. Galvão, Rachel Garrod, Martine M. Goedendorp, Kathleen A. Griffith, Wim H. van Harten, Sandi C. Hayes, Fernando Herrero-Roman, Anouk E. Hiensch, Melinda L. Irwin, Erica James, Marlou-Floor Kenkhuis, Marie José Kersten
The number of randomized controlled trials (RCTs) investigating the effects of exercise among cancer survivors has increased in recent years; however, participants dropping out of the trials are rarely described. The objective of the present study was to assess which combinations of participant and exercise program characteristics were associated with dropout from the exercise arms of RCTs among cancer
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The influence of the perceived requirements of the next match and motivation on the mental fatigue of soccer players Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-09 A. Rubio-Morales, J. Díaz-García, L. D. Harper, T. García-Calvo
The high cognitive and/or emotional demands of competition can lead to a state of mental fatigue which has shown to be detrimental to soccer performance. However, there is a need to further understand the true mental demands of soccer players. The aim of the present study was to analyze the influence of motivation and the perceived requirements of the next match on mental fatigue perceived by soccer
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Adherence and potential factors of adherence to a resistance, coordination and endurance training in older retirement home residents over 6 months Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-09 Michael Weiß, Esther Mende, Nina Schaller, Helge Krusemark, Bianca Spanier, Otto Zelger, Jan Bischof, Bernhard Haller, Martin Halle, Monika Siegrist
High exercise adherence is a key factor for effective exercise programmes. However, little is known about predictors of exercise adherence to a multimodal machine-based training in older retirement home residents.
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Effects of anthropometrics, thrust, and drag on stroke kinematics and 100 m performance of young swimmers using path-analysis modeling Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-07 Jorge E. Morais, Tiago M. Barbosa, Natalia A. Gomeñuka, Daniel A. Marinho
The aim of this study was to understand the interactions between anthropometric, kinetic, and kinematic variables and how they determine the 100 m freestyle performance in young swimmers. Twenty-five adolescent swimmers (15 male and 10 female, aged 15.75 ± 1.01 years) who regularly participated in regional and national competitions were recruited. The 100 m freestyle performance was chosen as the variable
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The intensity paradox: A systematic review and meta-analysis of its impact on the cardiorespiratory fitness of older adults Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-05 Sindre H. Fosstveit, Hilde Lohne-Seiler, Jack Feron, Samuel J. E. Lucas, Andreas Ivarsson, Sveinung Berntsen
The present systematic review and meta-analysis aimed to compare the effect of moderate- versus high-intensity aerobic exercise on cardiorespiratory fitness (CRF) in older adults, taking into account the volume of exercise completed.
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Glucose volume of distribution affects insulin sensitivity measured by intravenous glucose tolerance test Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-02-02 Diego Mora-Gonzalez, Alfonso Moreno-Cabañas, Laura Alvarez-Jimenez, Felix Morales-Palomo, Juan Fernando Ortega, Ricardo Mora-Rodriguez
To determine whether glucose volume of distribution (VdGLUCOSE) affects the diagnosis of impaired insulin sensitivity (IS) when using an intravenous glucose tolerance test (IVGTT).
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Assessments of individual fiber glycogen and mitochondrial volume percentages reveal a graded reduction in muscle oxidative power during prolonged exhaustive exercise Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-28 Joachim Nielsen, Rasmus Jensen, Niels Ørtenblad
During submaximal exercise, there is a heterogeneous recruitment of skeletal muscle fibers, with an ensuing heterogeneous depletion of muscle glycogen both within and between fiber types. Here, we show that the mean (95% CI) mitochondrial volume as a percentage of fiber volume of non-glycogen-depleted fibers was 2 (−10:6), 5 (−21:11), and 12 (−21:−2)% lower than all the sampled fibers after continuing
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To achieve the unachievable—Patients' experiences of opting for delayed anterior cruciate ligament reconstruction after trying rehabilitation alone as primary treatment: A qualitative study Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-28 Rebecca Simonsson, Cajsa Magnusson, Ramana Piussi, Janina Kaarre, Roland Thomeé, Andreas Ivarsson, Kristian Samuelsson, Eric Hamrin Senorski
About 50% of patients who sustain an anterior cruciate ligament (ACL) injury are treated without ACL reconstruction (ACL-R). A significant proportion of these patients opt for late ACL-R. Patients' experience of changing treatment has not yet been investigated and presented in the scientific literature.
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Per-step and cumulative load at three common running injury locations: The effect of speed, surface gradient, and cadence Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-28 Bas Van Hooren, Lars van Rengs, Kenneth Meijer
Understanding how loading and damage on common running injury locations changes across speeds, surface gradients, and step frequencies may inform training programs and help guide progression/rehabilitation after injuries. However, research investigating tissue loading and damage in running is limited and fragmented across different studies, thereby impairing comparison between conditions and injury
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Effects of a remotely supervised resistance training program on muscle strength and body composition in adults with cystic fibrosis: Randomized controlled trial Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-18 Alicia Sosa-Pedreschi, Márcio Vinícius Fagundes Donadio, Tamara Iturriaga-Ramírez, Thomas Yvert, Fernanda Pérez-Salazar, Catalina Santiago-Dorrego, Olga Barceló-Guido, Verónica Sanz-Santiago, Rosa Girón, Rosa Mar Gómez Punter, Margarita Rubio-Alonso, Margarita Pérez-Ruiz
Among the limited studies on physical exercise interventions in adults with cystic fibrosis (CF), few have specifically addressed the improvement of peripheral muscle strength and body fat-free mass. The aim of this study was to examine the impacts of a remotely supervised, individualized 8-week resistance training program of moderate to high intensity on strength and body composition in these subjects
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Physiological and molecular predictors of cycling sprint performance Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-10 Victor Galvan-Alvarez, Angel Gallego-Selles, Miriam Martinez-Canton, Ismael Perez-Suarez, Eduardo Garcia-Gonzalez, Marcos Martin-Rincon, Jose A. L. Calbet
The study aimed to identify novel muscle phenotypic factors that could determine sprint performance using linear regression models including the lean mass of the lower extremities (LLM), myosin heavy chain composition (MHC), and proteins and enzymes implicated in glycolytic and aerobic energy generation (citrate synthase, OXPHOS proteins), oxygen transport and diffusion (myoglobin), ROS sensing (Nrf2/Keap1)
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A longitudinal interpretative phenomenological analysis study of athletes' lived experiences in elite disc golf competitions Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-09 Runar Furre, B. T. Johansen, C. J. Knight, A. D. Mosewich, B. E. Solstad
Gaining the inside perspective of an elite athlete throughout the competitive season provides a unique approach to understand the lived experience during multiple competitive events. The purpose of the present study was to investigate how elite disc golf athletes perceive and interpret their experiences of performing during various training and competitive events over the course of an elite disc golf
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Effects of fat loss and low energy availability on the serum cardiometabolic profile of physique athletes Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-04 I. Jouhki, H. V. Sarin, M. Jauhiainen, T. M. O’Connell, V. Isola, J. P. Ahtiainen, J. J. Hulmi, M. Perola
Low energy availability (LEA) is a health concern for athletes, although it may paradoxically lead to improved cardiometabolic health in the general population. We investigated the associations between LEA, body composition, and serum cardiometabolic profile in 23 physique athletes (DIET) and 21 controls (CONT) during a 5-month pre-competition diet (MID), followed by 1 week of increased energy availability
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Treatment-seeking behavior and cardiovascular morbidity among men with anabolic-androgenic steroid use: A cross-sectional study Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-04 Hans Christian Bordado Henriksen, Ingrid Amalia Havnes, Marie Lindvik Jørstad, Rang Abdullah, Per Medbøe Thorsby, Lisa Evju Hauger, Thor Edvardsen, Kristina H. Haugaa, Vibeke Marie Almaas, Astrid Bjørnebekk
To determine associations between anabolic-androgenic steroid (AAS) use-related morbidity including cardiovascular disease (CVD) and engagement to health services.
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Personalized tendon loading reduces muscle-tendon imbalances in male adolescent elite athletes Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-04 Theresa Domroes, Kolja Weidlich, Sebastian Bohm, Falk Mersmann, Adamantios Arampatzis
An imbalanced adaptation of muscle strength and tendon stiffness in response to training may increase tendon strain (i.e., the mechanical demand on the tendon) and consequently tendon injury risk. This study investigated if personalized tendon loading inducing tendon strain within the effective range for adaptation (4.5%–6.5%) can reduce musculotendinous imbalances in male adolescent handball athletes
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Physical activity, chronic kidney disease, and cardiovascular risk: A study in half a million adults Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2024-01-04 Adrián Castillo-García, Pedro L. Valenzuela, Gonzalo Saco-Ledo, Javier S. Morales, Luis M. Ruilope, Alejandro Santos-Lozano, Alejandro Lucia
There is a growing prevalence of chronic kidney disease (CKD), a condition associated with a higher cardiovascular disease (CVD) risk. We assessed the association between self-reported physical activity (PA) and CKD and also studied whether PA attenuates CKD-associated CVD risk.
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Gender differences on the age-related distal-to-proximal shift in joint kinetics during running Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-12-20 Zoey C. Kearns, Paul DeVita, Max R. Paquette
The increased running participation in women and men over 40 years has contributed to scientific interest on the age-related and gender differences in running performance and biomechanics over the last decade. Gender differences in running biomechanics have been studied extensively in young runners, with inconsistent results. Understanding how gender influences the age-related differences in running
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Coping profiles of adolescent football players and association with interpersonal coping: Do emotional competence and psychological need satisfaction matter? Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-12-15 Julie Doron, Meggy Hayotte, Fabienne d'Arripe-Longueville, Chloé Leprince
Using a person-centered approach, the present study aimed to investigate the coping profiles of adolescent football players involved in elite football training centers. The purposes were to (1) identify coping profiles based on the reported use of multiple coping strategies in response to competitive stress, (2) explore whether emotional competencies and psychological need satisfaction would predict
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Which indices of cardiorespiratory fitness are more strongly associated with brain health in children with overweight/obesity? Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-12-13 Eero A. Haapala, David R. Lubans, Timo Jaakkola, Alan R. Barker, Abel Plaza-Florido, Luis Gracia-Marco, Patricio Solis-Urra, Cristina Cadenas-Sanchez, Irene Esteban-Cornejo, Francisco B. Ortega
To compare the strength of associations between different indices of cardiorespiratory fitness (CRF) and brain health outcomes in children with overweight/obesity.
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Altered carbohydrate oxidation during exercise in overreached endurance athletes is applicable to training monitoring with continuous glucose monitors Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-12-13 Alexandra M. Coates, Kyle M. A. Thompson, Monica M. Grigore, Ryleigh E. Baker, Christopher Pignanelli, Alexa A. Robertson, Sara M. Frangos, Christian P. Cheung, Jamie F. Burr
The purpose of the study was to investigate whether carbohydrate utilization is altered during exercise in overreached endurance athletes and examine the utility of continuous glucose monitors (CGM) to detect overreaching status.
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Evidence for a new model of the complex interrelationship of ball possession, physical intensity and performance in elite soccer Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-12-07 Benjamin W. C. Jerome, Michael Stoeckl, Ben Mackriell, Christian W. Dawson, Daniel T. P. Fong, Jonathan P. Folland
How the physical metrics, especially physical intensity, and possession interact with each other, and subsequently combine to influence performance remains opaque. Therefore, we investigated the interrelationship of possession, physical metrics, and team performance in elite soccer.
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Effects of a telerehabilitation program and detraining on cardiorespiratory fitness in patients with post-COVID-19 sequelae: A randomized controlled trial Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-27 Eulogio Pleguezuelos, Amin Del Carmen, Eva Moreno, Marc Miravitlles, Mateu Serra, Manuel V. Garnacho-Castaño
This study aimed to evaluate the effects of a 15-week telerehabilitation program and a detraining period on cardiorespiratory fitness and mechanical efficiency in patients with post-COVID-19 sequelae.
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Epidemiology of quadriceps muscle strain injuries in elite male Australian football players Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-23 Samuel Pietsch, Brady Green, Anthony G. Schache, Tania Pizzari
To describe the epidemiology of quadriceps muscle strain injury (QMSI) in elite Australian Football League (AFL) players, explore recovery milestones and determine whether recovery is impacted by factors such as injury type (index vs. re-injury), the primary muscle injured and the mechanism of injury.
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Effect of a single session of sensorimotor rhythm neurofeedback training on the putting performance of professional golfers Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-21 Jia-Hao Wu, Ting-Yu Chueh, Chien-Lin Yu, Kuo-Pin Wang, Shih-Chun Kao, Rodolphe J. Gentili, Bradley D. Hatfield, Tsung-Min Hung
Sensorimotor rhythm (SMR) activity has been associated with automaticity and flow in motor execution. Studies have revealed that neurofeedback training (NFT) of the SMR can improve sports performance; however, few studies have adequately explored the effects of a single session of such NFT or examined the possible mechanisms underlying these effects on sports performance. This study recruited 44 professional
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Fundament for a methodological standard to process hip accelerometer data to a measure of physical activity intensity in middle-aged individuals Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-20 Daniel Arvidsson, J. Fridolfsson, E. Ekblom-Bak, Ö. Ekblom, G. Bergström, M. Börjesson
There is a lack of a methodological standard to process accelerometer data to measures of physical activity, which impairs data quality and comparability. This study investigated the effect of different combinations of settings of multiple processing components, on the measure of physical activity and the association with measures of cardiometabolic health in an unselected population of middle-aged
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An unexpected shift in constant year effects in female elite handball Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-20 Jörg Schorer, Nick Wattie, Irene R. Faber, Dirk Büsch, Joseph Baker
One of the most convincing studies about the importance of the cutoff date in relative age effects was when Helsen et al. (2000) showed that a shift in the date directly resulted in a change of birth month distributions in soccer. Over the past four decades, the role of the birth year has also been associated with relative age effects (as reflected in constant year effects). In this investigation,
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Different sedentary behaviors, genetic susceptibility of hypertension, and new-onset hypertension: Mediating effects of body mass index and grip strength Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-17 Sisi Yang, Ziliang Ye, Mengyi Liu, Yanjun Zhang, Xiaoqin Gan, Qimeng Wu, Chun Zhou, Panpan He, Yuanyuan Zhang, Xianhui Qin
The association between different sedentary behaviors and hypertension risk remains unclear. We aimed to explore the relationship between different domains of sedentary behaviors and new-onset hypertension, investigate whether genetic susceptibility to hypertension modifies the relationship, and examine the extent to which the relationship is mediated by body mass index (BMI) and grip strength.
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Low- and high-volume blood-flow restriction treadmill walking both improve maximal aerobic capacity independently of blood volume Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-14 K. M. A. Thompson, A. S. D. Gamble, H. Kontro, J. B. Lee, J. F. Burr
Assess the effect of low- and high-volume blood flow restriction training (BFR) on maximal aerobic capacity (VO2max) and determine if alteration in VO2max is mediated through changes in hemoglobin mass (Hbmass) and blood volume.
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Individuals with chronic ankle instability show altered regional activation of the peroneus longus muscle during ankle eversion Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-13 Guillermo Mendez-Rebolledo, Rodrigo Guzmán-Venegas, Carlos Cruz-Montecinos, Kohei Watanabe, Joaquín Calatayud, Eduardo Martinez-Valdes
Individuals with chronic ankle instability (CAI) present muscular weakness and potential changes in the activation of the peroneus longus muscle, which likely explains the high recurrence of ankle sprains in this population. However, there is conflicting evidence regarding the role of the peroneus longus activity in CAI, possibly due to the limited spatial resolution of the surface electromyography
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We know a lot about little and little about a lot: A contextualized scoping review on injury prevention in alpine ski racing Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-13 Oriol Bonell Monsonís, Jörg Spörri, Marit Warsen, Caroline Bolling, Vincent Gouttebarge, Evert Verhagen
Our goal was to summarize and contextualize the available literature on alpine ski racing injury epidemiology, injury etiology, injury prevention measures, injury prevention context, and implementation issues.
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Exercise training and physical activity in children: Hard interval training or low hanging fruits to ensure normal growth and maturation for the sake of lifelong physical activity? Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-06 Ilkka Heinonen
CONFLICT OF INTEREST STATEMENT None.
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Associations of physical activity type, volume, intensity, and changes over time with all-cause mortality in older adults: The Seniors-ENRICA cohorts Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-06 Miguel Angelo Duarte Junior, David Martínez-Gómez, Salud Pintos-Carrillo, Mercedes Sotos-Prieto, Rosario Ortolá, Fernando Rodríguez-Artalejo, Verónica Cabanas-Sánchez
To assess the association of physical activity (PA) type, volume, intensity, and changes over time with all-cause mortality in older adults.
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The effect of types of sensory feedback on the acquisition and retention of squat performance: A randomized, double-blind, controlled trial Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-02 Ho-Jin Shin, Sung-Hyeon Kim, Hwi-Young Cho
Various sensory feedback methods are considered important for motor learning, but the effect of each sensory feedback method on effective squat learning still needs to be clarified. This study aimed to investigate the effect of sensory feedback types on the acquisition and retention of a squat. A double-blinded, randomized controlled trial was carried out. Thirty-healthy people were recruited and randomly
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Integrating perceived physical environments and the theory of planned behaviors when explaining adherence to 24-hour movement guidelines in Chinese adolescents Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-11-01 Ru Zhang, Chun-Qing Zhang, Dacheng Gu
Most adolescents worldwide do not meet 24-h movement guidelines, which recommend specific level of physical activity, sedentary behavior, and sleep for optimal health. Nevertheless, there remains a lack of understanding regarding how social cognitive and physical environmental factors influence adolescents' compliance with these guidelines. This prospective study aimed to examine the associations between
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The association of adolescent fitness with cardiometabolic diseases in late adulthood: A 45-year longitudinal study Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-10-31 Perttu T. T. Laakso, Francisco B. Ortega, Pertti Huotari, Asko J. Tolvanen, Urho M. Kujala, Timo T. Jaakkola
The aim of this study was to examine the associations of adolescent cardiorespiratory fitness (CRF), muscular fitness (MF), and speed-agility fitness (SA) with middle-aged cardiometabolic disease risk and explore sex differences.
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Decreased neural drive affects the early rate of force development after repeated burst-like isometric contractions Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-10-30 Gennaro Boccia, Samuel D'Emanuele, Paolo Riccardo Brustio, Alberto Rainoldi, Federico Schena, Cantor Tarperi
The neural drive to the muscle is the primary determinant of the rate of force development (RFD) in the first 50 ms of a rapid contraction. It is still unproven if repetitive rapid contractions specifically impair the net neural drive to the muscles. To isolate the fatiguing effect of contraction rapidity, 17 male adult volunteers performed 100 burst-like (i.e., brief force pulses) isometric contractions
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Inhaled beta2-agonist, formoterol, enhances intense exercise performance, and sprint ability in elite cyclists Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-10-25 Jan S. Jeppesen, Søren Jessen, Martin Thomassen, Vibeke Backer, Jens Bangsbo, Morten Hostrup
Many athletes use long-acting beta2-agonist formoterol in treatment of asthma. However, studies in non-athlete cohorts demonstrate that inhaled formoterol can enhance sprint performance calling into question whether its use in competitive sports should be restricted. We investigated whether formoterol at upper recommended inhaled doses (54 μg) would enhance sprint ability and intense exercise performance
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Correction to infant motor development and physical activity and sedentary time at midlife Scand. J. Med. Sci. Sports (IF 4.1) Pub Date : 2023-10-24
Karppanen, A.-K., Hurtig, T., Miettunen, J., Niemelä, M., Tammelin, T. and Korpelainen, R. (2021), Infant motor development and physical activity and sedentary time at midlife. Scand J Med Sci Sports, 31: 1450–1460. https://doi.org/10.1111/sms.13954 In Table 3., TABLE 3. Association between infant motor development (higher score indicating later development) and self-reported and accelerometer-measured