Key result
Single-leg vertical countermovement jump performance differed by >15% between limbs in 20-30% of healthy teenagers, with no relation to gender or subjective leg dominance.
Why the study?
What are the bilateral and gender differences in single-legged vertical jump performance among healthy teenagers?
Population
223 healthy teenagers (117 boys and 106 girls aged 10-16 years)
Comparison
Single-leg vertical countermovement jump test vs Dominant vs. non-dominant leg, most vs. least…
Design
Cross-sectional
Authors
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Limb asymmetry >15% may be physiologic in healthy teens; leaves open prospective links to injury or performance.
Cross-Sectional (n=223)
What are the bilateral and gender differences in single-legged vertical jump performance among healthy teenagers?
Differences of <15% in single-leg vertical jump performance between legs should be considered the physiological norm in healthy teenagers aged 10-16 years.
Ceroni et al. (2012) conducted a cross-sectional in Healthy teenagers (n=223). Leg efficiency (most vs. least efficient) and gender vs. Opposite leg and opposite gender was evaluated on Strength and power performances during a single-leg vertical countermovement jump (SLVCJ) test. Single-leg vertical countermovement jump performance differed by >15% between limbs in 20-30% of healthy teenagers, with no relation to gender or subjective leg dominance.
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