Thesis (M.Sc.) - Cairo University - Faculty of Physical Therapy - Department of Biomechanics

Background : Chronic ankle instability (CAI) is a common sequence of ankle sprain. Conservative treatment of CAI is currently accepted as the primary means of managing the condition and preventing recurrence. Purpose: The purpose of the current study was to evaluate the effect of two types of balance training programs on static and dynamic balance in females with CAI. Methods: Thirty-five females with CAI participated in this study. The participants{u2019} mean values of age, body mass, height, and body mass index were 21.76 ± 1.96 y, 64.82 ± 9.37 kg, 161.85 ± 7.24 cm, and 24.76 ± 3.76 kg/m², respectively. They were randomly assigned into three groups; (A) performed Weight-bearing Exercise for Better Balance (WEBB) program (n=13), (B) performed unilateral balance training exercises (n=12), (C) control group did not perform any treatment (n=10). Simple random allocation was done using statistical random table. All participants were tested for balance before and after four weeks of balance training. The overall stability index (OSI), medio-lateral stability index (MLSI), and antero-posterior stability index (APSI) were measured via Biodex Balance System (BBS). Also, single leg stance (SLS) test and star excursion balance test (SEBT) were used to assess functional static balance and dynamic balance, respectively

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