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Hip flexor and knee extensor muscularity are associated with sprint performance in sprint-trained preadolescent boys

Body Composition Assessment
Nobuaki Tottori et al.
Used Parameters : FFM

Publication Year : 2017

Country : Japan

Journal : Pediatric Exercise Science

Purpose: We attempted to determine the relationships between the cross-sectional area (CSA) of the trunk and lower limb muscles and sprint performance in male preadolescent sprinters. Methods: Fifteen sprint-trained preadolescent boys (age 11.6±0.4 y) participated in this study. The CSAs of the participants' trunk and lower limb muscles were measured using magnetic resonance imaging, and these muscles were normalized with free-fat mass. To assess participants' sprint performance, sprint time and variables during the 50-m sprint test …
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