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A Journal on Applied Physiology, Biomechanics, Preventive Medicine,
Sports Medicine and Traumatology, Sports Psychology

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The Journal of Sports Medicine and Physical Fitness 2016 Apr 13

language: English

Effects of fatigue on kinematics and kinetics during overground running: a systematic review

Sara WINTER 1, Susan GORDON 2, Kerrianne WATT 3

1 Physiotherapy, James Cook University, Townsville, Queensland, Australia; 2 School of Health Sciences, Flinders University, Bedford Park, Australia; 3 Public Health, James Cook University, Townsville, Australia


BACKGROUND: Understanding kinematic and kinetic changes with fatigue during running is important to assess changes that may influence performance and injury. The aim of this systematic review was to identify, critique and summarise literature about the effects of fatigue on kinematics and kinetics during a fatiguing overground run and present the reported influence on performance and injury.
METHODS: An electronic search was conducted of MEDLINE, SPORTDiscus, CINAHL and PubMed databases. Two reviewers assessed articles for inclusion, and evaluated the quality of articles included using a modified version of the Downs and Black Quality Index.
RESULTS: A total of twelve articles were identified for review. The mean quality assessment score was seven out of a possible 12. Kinematic and kinetic changes reported to affect performance included decreased speed, step or stride frequency and length, increased trunk flexion, lower leg position at heel strike, and mediolateral acceleration, changes in hip and knee ranges, and decreased stride regularity, heel lift, maximum knee rotation and backward ankle velocity. Alterations reported to increase risk of injury included decreased step frequency, increased upper body rotation and lower leg position at heel strike, and decreased knee flexion during stance. Reduced risk of injury has been linked to decreased step length and hip ranges, and increased trunk flexion.
CONCLUSIONS: This review found limited evidence regarding changes in kinematic and kinetic during a fatiguing run in relation to performance and injury. Higher quality studies are warranted, with a larger sample of homogenous runners, and type of run carefully selected to provide quality information for runners, coaches and clinicians.

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