Asynchrony between subtalar and knee joint function during running

Nicholas Stergiou, Barry T. Bates, Stanley L. James

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

Purpose: It has been suggested that during running proper coordination between subtalar joint pronation/supination and knee joint flexion/extension via tibial rotation is important to attenuate ground reaction impact forces (GRIF). Lack of coordination may produce over time a wide range of injuries. The goal of this study was to investigate the relationship between subtalar pronation/supination and knee flexion/extension with GRIF increases during distance running. Methods: Eight subjects ran under different speeds (a self- selected pace, 10% faster, 10% slower, and 20% faster) and over different obstacle heights (5%, 10%, and 15% of their standing height) on their self- selected pace. Sagittal, rear-view kinematic, and GRIF data were collected. The biomechanical results were also compared with data from a clinical evaluation of the subjects. Results: Speed changes and obstacle heights produced increases in GRIF and differences between rearfoot and knee angular velocities. The higher the obstacle and the faster the speed, the greater the GRIF and the greater the velocity differences. A change of the rearfoot angle curve from a unimodal (one minimum) to a bimodal (two minimums) parabolic configuration was also observed. The appearance of the second minimum was attributed to a lateral deviation of the tibia as a rebound effect due to the increased impact with the ground. The velocity differences between the actions of the subtalar and the knee joint, which in essence capture the antagonistic nature of their relationship, produced the highest correlation with the clinical evaluation. Conclusions: It was suggested that a possible mechanism responsible for various running injuries could be lack of coordination between subtalar and knee joint actions. This mechanism may have potential for predicting runners with susceptibility to injury.

Original languageEnglish (US)
Pages (from-to)1645-1655
Number of pages11
JournalMedicine and science in sports and exercise
Volume31
Issue number11
DOIs
StatePublished - Jan 1 1999

Fingerprint

Subtalar Joint
Knee Joint
Pronation
Supination
Ataxia
Knee
Wounds and Injuries
Tibia
Biomechanical Phenomena

Keywords

  • Coordination
  • Knee flexion extension
  • Obstacle heights
  • Running injuries
  • Speed changes
  • Subtalar pronation supination

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Asynchrony between subtalar and knee joint function during running. / Stergiou, Nicholas; Bates, Barry T.; James, Stanley L.

In: Medicine and science in sports and exercise, Vol. 31, No. 11, 01.01.1999, p. 1645-1655.

Research output: Contribution to journalArticle

Stergiou, Nicholas ; Bates, Barry T. ; James, Stanley L. / Asynchrony between subtalar and knee joint function during running. In: Medicine and science in sports and exercise. 1999 ; Vol. 31, No. 11. pp. 1645-1655.
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