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Effects of drop-height and surface instability on jump performance and knee kinematics

M Lesinski et al.
Used Parameters : Muscle mass, PBF

Publication Year : 2017

Country : Germany

Journal : International Journal of Sports Medicine

The purpose of this study was to examine the combined effects of drop-height and surface condition on drop jump (DJ) performance and knee joint kinematics. DJ performance, sagittal and frontal plane knee joint kinematics were measured in jump experienced young male and female adults during DJs on stable, unstable and highly unstable surfaces using different drop-heights (20, 40, 60 cm). Findings revealed impaired DJ performance (Δ5–16%; p< 0.05; 1.43≤ d≤ 2.82), reduced knee valgus motion (Δ33–52%; p< 0.001; 2.70≤ …
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