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Fitness Changes in Adolescent Girls Following In-School Combined Aerobic and Resistance Exercise: Interaction With Birthweight.
Pediatric Exercise Science ( IF 1.4 ) Pub Date : 2021-12-11 , DOI: 10.1123/pes.2021-0034
Daniel Dylan Cohen 1, 2 , Javier Carreño 1 , Paul Anthony Camacho 3, 4 , Johanna Otero 1 , Daniel Martinez 1 , Jose Lopez-Lopez 1, 3, 4 , Gavin R Sandercock 5 , Patricio Lopez-Jaramillo 1, 3
Affiliation  

PURPOSE To assess the efficacy of a supervised in-school combined resistance and aerobic training program in adolescent girls and investigate whether responses differ according to birthweight. METHODS Participants (girls aged 13-17 y) were randomized either to an intervention replacing physical education (PE) classes with 2 × 60-minute training sessions per week (n = 58) or to a control group that continued to attend 2 × 60 minutes per week of curriculum PE (n = 41). We measured muscular fitness (handgrip, standing long jump, and sit-ups), cardiorespiratory fitness (20-m shuttle run), skinfolds, and lean body mass preintervention and postintervention and determined effect size (Hedge's g) differences between changes in these measures. We also compared changes within lower (<3000 g) and normal birthweight intervention and PE control subgroups. RESULTS The intervention group showed greater improvements in all the fitness measures and lean body mass (g = 0.22-0.48) and lower skinfold increases (g = 0.41) than PE controls. Within the intervention group, improvements in all fitness measures were larger in lower birthweight (g = 0.53-0.94) than in normal birthweight girls (g = 0.02-0.39). CONCLUSION Replacing curriculum PE with supervised training improved muscular and cardiorespiratory fitness and body composition outcomes in adolescent females. Our findings suggest an enhanced adaptive response to training in participants with lower birthweight which warrants further investigation.

中文翻译:

校内有氧运动和阻力运动相结合后青春期女孩的体能变化:与出生体重的相互作用。

目的 评估有监督的校内联合阻力和有氧训练计划对青春期女孩的效果,并调查反应是否因出生体重而异。方法 参与者(13-17 岁的女孩)被随机分配到以每周 2 × 60 分钟的训练课程(n = 58)替代体育课的干预组(n = 58)或继续参加 2 × 60每周体育课的分钟数(n = 41)。我们测量了肌肉健康(握力、站立跳远和仰卧起坐)、心肺健康(20 米穿梭跑)、皮褶和瘦体重干预前和干预后,并确定了这些措施变化之间的效应大小 (Hedge's g) 差异. 我们还比较了较低(< 3000 g) 和正常出生体重干预和 PE 对照组。结果 与 PE 对照组相比,干预组在所有体能指标和瘦体重 (g = 0.22-0.48) 和较低的皮褶增加 (g = 0.41) 方面表现出更大的改善。在干预组中,低出生体重女孩 (g = 0.53-0.94) 的所有体能指标改善幅度大于正常出生体重女孩 (g = 0.02-0.39)。结论 用监督训练取代体育课程可以改善青春期女性的肌肉和心肺健康以及身体成分结果。我们的研究结果表明,出生体重较低的参与者对训练的适应性反应增强,这值得进一步研究。48)和比 PE 对照组更低的皮褶增加(g = 0.41)。在干预组中,低出生体重女孩 (g = 0.53-0.94) 的所有体能指标改善幅度大于正常出生体重女孩 (g = 0.02-0.39)。结论 用监督训练取代体育课程可以改善青春期女性的肌肉和心肺健康以及身体成分结果。我们的研究结果表明,出生体重较低的参与者对训练的适应性反应增强,这值得进一步研究。48)和比 PE 对照组更低的皮褶增加(g = 0.41)。在干预组中,低出生体重女孩 (g = 0.53-0.94) 的所有体能指标改善幅度大于正常出生体重女孩 (g = 0.02-0.39)。结论 用监督训练取代体育课程可以改善青春期女性的肌肉和心肺健康以及身体成分结果。我们的研究结果表明,出生体重较低的参与者对训练的适应性反应增强,这值得进一步研究。结论 用监督训练取代体育课程可以改善青春期女性的肌肉和心肺健康以及身体成分结果。我们的研究结果表明,出生体重较低的参与者对训练的适应性反应增强,这值得进一步研究。结论 用监督训练取代体育课程可以改善青春期女性的肌肉和心肺健康以及身体成分结果。我们的研究结果表明,出生体重较低的参与者对训练的适应性反应增强,这值得进一步研究。
更新日期:2021-12-11
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