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Effects of Jumping Exercise on Muscular Power in Older Adults: A Meta-Analysis.

Moran, Jason and Ramirez-Campillo, Rodrigo and Granacher, Urs (2018) 'Effects of Jumping Exercise on Muscular Power in Older Adults: A Meta-Analysis.' Sports Medicine, 48 (12). 2843 - 2857. ISSN 0112-1642

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Background Jump training (JT) can be used to enhance the ability of skeletal muscle to exert maximal force in as short a time as possible. Despite its usefulness as a method of performance enhancement in athletes, only a small number of studies have investigated its effects on muscle power in older adults. Objectives The aims of this meta-analysis were to measure the effect of JT on muscular power in older adults (≥ 50 years), and to establish appropriate programming guidelines for this population. Data sources The data sources utilised were Google Scholar, PubMed, and Microsoft Academic. Study eligibility criteria Studies were eligible for inclusion if they comprised JT interventions in healthy adults (≥ 50 years) who were free of any medical condition that could impair movement. Study appraisal and synthesis methods The inverse variance random-effects model for meta-analyses was used because it allocates a proportionate weight to trials based on the size of their individual standard errors and facilitates analysis while accounting for heterogeneity across studies. Effect sizes (ESs), calculated from a measure of muscular power, were represented by the standardised mean difference and were presented alongside 95% confidence intervals (CIs). Results Thirteen training groups across nine studies were included in this meta-analysis. The magnitude of the main effect was 'moderate' (0.66, 95% CI 0.33, 0.98). ESs were larger in non-obese participants (body mass index [BMI] < 30 vs. ≥ 30 kg/m²; 1.03 [95% CI 0.34, 1.73] vs. 0.53 [95% CI - 0.03, 1.09]). Among the studies included in this review, just one reported an acute injury, which did not result in the participant ceasing their involvement. JT was more effective in programmes with more than one exercise (range 1-4 exercises; ES = 0.74 [95% CI - 0.49, 1.96] vs. 0.53 [95% CI 0.29, 0.78]), more than two sets per exercise (range 1-4 sets; ES = 0.91 [95% CI 0.04, 1.77] vs. 0.68 [95% CI 0.15, 1.21]), more than three jumps per set (range 1-14 jumps; ES = 1.02 [95% CI 0.16, 1.87] vs. 0.53 [95% CI - 0.03, 1.09]) and more than 25 jumps per session (range 6-200 jumps; ES = 0.88 [95% CI 0.05, 1.70] vs. 0.49 [95% CI 0.14, 0.83]). Conclusions JT is safe and effective in older adults. Practitioners should construct varied JT programmes that include more than one exercise and comprise more than two sets per exercise, more than three jumps per set, and 60 s of recovery between sets. An upper limit of three sets per exercise and ten jumps per set is recommended. Up to three training sessions per week can be performed.

Item Type: Article
Uncontrolled Keywords: Humans, Exercise, Aged, Aged, 80 and over, Muscle Strength, Physical Conditioning, Human
Divisions: Faculty of Science and Health > Sport, Rehabilitation and Exercise Sciences, School of
Depositing User: Elements
Date Deposited: 12 Feb 2021 09:42
Last Modified: 12 Feb 2021 09:42

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