Association of Ankle Dorsiflexion With Plantar Fasciitis

초록

This study aimed to compare the mean ankle dorsiflexion range between individuals with and without plantar fasciitis using passive ankle dorsiflexion with consistent pressure, and to identify the prevalence of an isolated gastrocnemius and gastrocnemius soleus complex contracture in 2 groups. 91 participants were prospectively classified into the plantar fasciitis group (45 subjects) and the control group (46 subjects). Ankle dorsiflexion was measured with the knee extended and with the knee flexed 90 degrees using a standard orthopedic goniometer while a consistent force of 2 kg was applied under the plantar surface of the forefoot using a custom-made scale. Intraclass correlation coefficients (ICC) were calculated to determine the interobserver and intraobserver reliability of the current ankle dorsiflexion measurement. The current ankle dorsiflexion measurement revealed excellent interobserver and intraobserver reliability. The mean ankle dorsiflexion in the knee extended was-9.6 degrees +/- 8.1 degrees and-11.2 degrees +/- 8.2 degrees in the study and control groups, respectively (p = .353). The mean ankle dorsiflexion in the knee flexed was 7.8 degrees +/- 6.5 degrees and 5.1 degrees +/- 7.4 degrees in the study and control groups, respectively (p = .068). In the study and control groups, 68.9% and 65.2%, respectively, had an isolated gastrocnemius contracture and 24.4% and 30.4%, respectively, had a gastrocnemius-soleus complex contracture (p = .768). The present study demonstrated that there were no significant differences in passive ankle dorsiflexion and in the prevalence of an isolated gastrocnemius or gastrocnemius soleus complex contracture between individuals with and without plantar fasciitis. (c) 2021 by the American College of Foot and Ankle Surgeons. All rights reserved.

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