Effect of a 2-week joint-mobilization intervention on single-limb balance and ankle arthrokinematics in those with chronic ankle instability

Hoch, M. C., Mullineaux, D. R., Andreatta, R. D. , English, R. A., Medina-McKeon, J. M., Mattacola, C. G. and McKeon, P. O. (2014) Effect of a 2-week joint-mobilization intervention on single-limb balance and ankle arthrokinematics in those with chronic ankle instability. Journal of Sport Rehabilitation, 23 (1). pp. 18-26. ISSN 1056-6716


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Context: A single talocrural joint-mobilization treatment has improved spatiotemporal measures of postural control but not ankle arthrokinematics in individuals with chronic ankle instability (CAI). However, the effects of multiple treatment sessions on these aspects of function have not been investigated. Objective: To examine the effect of a 2-wk anterior-to-posterior joint-mobilization intervention on instrumented measures of single-limb-stance static postural control and ankle arthrokinematics in adults with CAI. Design: Repeated measures. Setting: Research laboratory. Participants: 12 individuals with CAI (6 male, 6 female; age 27.4 ± 4.3 y, height 175.4 ± 9.78 cm, mass 78.4 ± 11.0 kg). Intervention: Subjects received 6 treatments sessions of talocrural grade II joint traction and grade III anterior-to-posterior joint mobilization over 2 wk. Main Outcome Measures: Instrumented measures of single-limb-stance static postural control (eyes open and closed) and anterior and posterior talar displacement and stiffness were assessed 1 wk before the intervention (baseline), before the first treatment (preintervention), 24-48 h after the final treatment (postintervention), and 1 wk later (1-wk follow-up). Postural control was analyzed as center-of-pressure velocity, center-of-pressure range, the mean of time-to-boundary minima, and standard deviation of time-to-boundary minima in the anteroposterior and mediolateral directions for each visual condition. Results: No significant differences were identified in any measures of postural control (P > .08) or ankle arthrokinematics (P > .21). Conclusions: The 2-wk talocrural joint-mobilization intervention did not alter instrumented measures of single-limb-stance postural control or ankle arthrokinematics. Despite the absence of change in these measures, this study continues to clarify the role of talocrural joint mobilization as a rehabilitation strategy for patients with CAI. © 2014 Human Kinetics, Inc.

Keywords:Ankle sprain, Manual therapy, Balance, NotOAChecked
Subjects:C Biological Sciences > C600 Sports Science
Divisions:College of Social Science > School of Sport and Exercise Science
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ID Code:13626
Deposited On:27 Mar 2014 14:24

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