Fascicle length of leg muscles is greater in sprinters than distance runners

Article Abstract:

This study uses ultrasound imaging to investigate the physiological differences in leg muscles of long distance runners and sprinters. Results indicate that sprinters have a smaller pennation angle and increased fascicle length when compared to long distance runners.

Statistical Data Included, Leg, Leg muscles

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Influence of the psoas major and thigh muscularity on 100-m times in junior sprinters

Article Abstract:

A study aims to investigate how the cross-sectional areas (CSA) of the quadriceps femoris (QF)3, hamstrings (Ham), and psoas major (PM) in junior sprinters are related to mean running velocity ([MV.sub.100m]) calculated from official records of 100-m races. It was found that in case of junior sprinters of both genders, the higher development of PM relative to QF, rather than absolute muscle size, is a factor in achieving a better performance in 100-m race performance.

Science & research, Health aspects, Body composition

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Architectural characteristics of muscle in black and white college football players

Article Abstract:

Research to determine whether skeletal musculature varies by race is presented. Fat-free mass, muscle thickness, and the independence of muscle architecture from race are discussed.

Football players, College athletes

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