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Mechanics of the muscles crossing the hip joint during sprint running.

Authors
  • Nagano, Yasuharu
  • Higashihara, Ayako
  • Takahashi, Kazumasa
  • Fukubayashi, Toru
Type
Published Article
Journal
Journal of Sports Sciences
Publisher
Informa UK (Taylor & Francis)
Publication Date
Jan 01, 2014
Volume
32
Issue
18
Pages
1722–1728
Identifiers
DOI: 10.1080/02640414.2014.915423
PMID: 24840031
Source
Medline
Keywords
License
Unknown

Abstract

We aimed to demonstrate the changes over time in the lengths and forces of the muscles crossing the hip joint during overground sprinting and investigate the relationships between muscle lengths and muscle-tendon unit forces - particularly peak biceps femoris force. We obtained three-dimensional kinematics during 1 running cycle from 8 healthy sprinters sprinting at maximum speed. Muscle lengths and muscle-tendon unit forces were calculated for the iliacus, rectus femoris, gluteus maximus, and biceps femoris muscles of the target leg as well as the contralateral iliacus and rectus femoris. Our results showed that during sprinting, the muscles crossing the hip joint demonstrate a stretch-shortening cycle and 1 or 2 peak forces. The timing of peak biceps femoris force, expressed as a percentage of the running cycle (mean [SD], 80.5 [2.9]%), was synchronous with those of the maximum biceps femoris length (82.8 [1.9]%) and peak forces of the gluteus maximus (83.8 [9.1]%), iliacus (81.1 [5.2]%), and contralateral iliacus (78.5 [5.8]%) and also that of the peak pelvic anterior tilt. The force of the biceps femoris appeared to be influenced by the actions of the muscles crossing the hip joint as well as by the pelvic anterior tilt.

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