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This study explores how age and sex influence lower extremity power production across the lifespan.

Effect of Age and Sex on Lower Extremity Power Production Capacity Throughout the Lifespan Based on 30 217 Finnish Participant Data

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Randomized trial evaluates lower extremity power in Finnish cohorts, indicating key age-related changes.

This study explores how age and sex influence lower extremity power production across the lifespan.
Analyzed five Finnish datasets with 30,217 participants aged 6–75 years.
Measured countermovement jump height and estimated peak power using established equations.
Grouped data by five-year age intervals for comparison of mean values.
Males exhibited greater CMJ height and peak power than females between ages 11 and 15.
CMJ height peaked at ages 16–20 for males and 21–25 for females; peak power followed similar patterns.
Annual declines in performance post-peak were observed in both sexes, with CMJ height declining by 0.9%.

Koivunen et al. (2026) studied this question.

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