Comparison of the ankle, knee, hip, and trunk corrective action shown during single-leg stance on firm, foam, and multiaxial surfaces

Bryan L. Riemann; Joseph B. Myers; Scott M. Lephart

doi:10.1053/apmr.2003.50004

Comparison of the ankle, knee, hip, and trunk corrective action shown during single-leg stance on firm, foam, and multiaxial surfaces

Bryan L. Riemann, Joseph B. Myers, Scott M. Lephart

Research output: Contribution to journal › Article › peer-review

128 Scopus citations

Abstract

Objective: To compare the quantity of ankle, knee, hip, and trunk corrective actions shown during single-leg stance. Design: Counter-balanced crossover design. Single-leg stance under the conditions of eyes open on firm, foam, and multiaxial surfaces and eyes closed on a firm surface were recorded for 12 seconds in 18 participants. Setting: A university neuromuscular research laboratory. Participants: Eighteen healthy and recreationally active college students. Interventions: Not applicable. Main Outcome Measure: Average angular displacement magnitude between successive sampling instances for the ankle, knee, hip, and trunk. Results: A significant condition by joint interaction was revealed. Post hoc comparisons revealed that the ankle dominated as the source of corrective action across each of the testing conditions. As the challenge became greater because of foam surface or eyes closed, more corrective action occurred at proximal joints (hip and/or knee). Conclusions: The ankle is of primary importance during single-leg stance on firm, foam, and multiaxial surfaces, with proximal joints having an increased role under more challenging conditions. These results provide a scientific basis for clinicians' and researchers' decisions about support surface and visual condition during single-leg postural control testing and training.

Original language	English
Pages (from-to)	90-95
Number of pages	6
Journal	Archives of Physical Medicine and Rehabilitation
Volume	84
Issue number	1
DOIs	https://doi.org/10.1053/apmr.2003.50004
State	Published - Jan 2003

Bibliographical note

Funding Information:
From the Department of Health and Kinesiology, Georgia Southern University, Statesboro, GA (Riemann); Department of Kinesiology, Louisiana State University, Baton Rouge, LA (Myers); and Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA (Lephart). Supported by the Eastern Athletic Trainers Association. Presented in part at the American College of Sports Medicine’s 47th Annual Meeting, May 31, 2000, Indianapolis, IN. No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit upon the authors or upon any organization with which the authors are associated. Reprint requests to Bryan Riemann, PhD, ATC, Georgia Southern University, PO Box 8076, Statesboro, GA 30460-9076, e-mail: [email protected]. 0003-9993/03/8401-7214$35.00/0 doi:10.1053/apmr.2003.50004

Keywords

Biomechanics
Equilibrium
Kinematics
Posture
Rehabilitation

ASJC Scopus subject areas

Physical Therapy, Sports Therapy and Rehabilitation
Rehabilitation

Access to Document

10.1053/apmr.2003.50004

Cite this

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title = "Comparison of the ankle, knee, hip, and trunk corrective action shown during single-leg stance on firm, foam, and multiaxial surfaces",

abstract = "Objective: To compare the quantity of ankle, knee, hip, and trunk corrective actions shown during single-leg stance. Design: Counter-balanced crossover design. Single-leg stance under the conditions of eyes open on firm, foam, and multiaxial surfaces and eyes closed on a firm surface were recorded for 12 seconds in 18 participants. Setting: A university neuromuscular research laboratory. Participants: Eighteen healthy and recreationally active college students. Interventions: Not applicable. Main Outcome Measure: Average angular displacement magnitude between successive sampling instances for the ankle, knee, hip, and trunk. Results: A significant condition by joint interaction was revealed. Post hoc comparisons revealed that the ankle dominated as the source of corrective action across each of the testing conditions. As the challenge became greater because of foam surface or eyes closed, more corrective action occurred at proximal joints (hip and/or knee). Conclusions: The ankle is of primary importance during single-leg stance on firm, foam, and multiaxial surfaces, with proximal joints having an increased role under more challenging conditions. These results provide a scientific basis for clinicians' and researchers' decisions about support surface and visual condition during single-leg postural control testing and training.",

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N2 - Objective: To compare the quantity of ankle, knee, hip, and trunk corrective actions shown during single-leg stance. Design: Counter-balanced crossover design. Single-leg stance under the conditions of eyes open on firm, foam, and multiaxial surfaces and eyes closed on a firm surface were recorded for 12 seconds in 18 participants. Setting: A university neuromuscular research laboratory. Participants: Eighteen healthy and recreationally active college students. Interventions: Not applicable. Main Outcome Measure: Average angular displacement magnitude between successive sampling instances for the ankle, knee, hip, and trunk. Results: A significant condition by joint interaction was revealed. Post hoc comparisons revealed that the ankle dominated as the source of corrective action across each of the testing conditions. As the challenge became greater because of foam surface or eyes closed, more corrective action occurred at proximal joints (hip and/or knee). Conclusions: The ankle is of primary importance during single-leg stance on firm, foam, and multiaxial surfaces, with proximal joints having an increased role under more challenging conditions. These results provide a scientific basis for clinicians' and researchers' decisions about support surface and visual condition during single-leg postural control testing and training.

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Comparison of the ankle, knee, hip, and trunk corrective action shown during single-leg stance on firm, foam, and multiaxial surfaces

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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