AI Article Synopsis
- A study evaluated isokinetic strength differences in patients with chronic ankle instability (CAI) compared to those who have recovered from ankle sprains (ASC) and healthy controls.
- Results showed that the CAI group had significantly lower peak torque for ankle inversion and eversion motions than both the ASC and control groups.
- The findings suggest that isokinetic strength assessment can effectively highlight peroneal weakness in CAI patients, which could inform preoperative evaluations for treatments like the modified Broström procedure.
Article Abstract
Background: Despite a consensus regarding the correlation of peroneal strength deficit with chronic ankle instability (CAI), there are conflicting reports in regards to peroneal strength as assessed by isokinetic dynamometer in patients with CAI. The purpose of this study was to evaluate the changes of isokinetic strength in patients with CAI compared to ankle sprain copers and normal individuals.
Methods: Forty-two patients (CAI group) with chronic ankle instability who were scheduled for the modified Broström procedure met inclusion criteria. Thirty-one ankle sprain copers (ASC group) who were eligible at 6 months after acute injury and 30 controls were recruited. The muscle strength associated with four motions of the ankle were evaluated using isokinetic dynamometer.
Results: Peak torque for inversion and eversion at 60°/s angular velocity were significantly lower in the CAI group compared to the ASC and control group (P=.004, P<.001, respectively). Deficit ratio of peak torque for eversion at 60°/s and 120°/s in the CAI group were 33.8% and 19.8%, respectively, which indicated significant side to side differences (both P<.001). The evertor/invertor strength ratio (0.59) for eversion at 60°/s was significantly lower in the CAI group (P<.001).
Conclusion: As compared to the ankle sprain copers and normal individuals, patients with chronic ankle instability who were scheduled for modified Broström procedure demonstrated a significant weakness of isokinetic peroneal strength. Isokinetic muscular assessment can provide the useful preoperative informations regarding functional ankle instability focusing on peroneal weakness.
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| http://dx.doi.org/10.1016/j.fas.2017.10.017 | DOI Listing |
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Article Synopsis
- - This study compares traditional elastic band exercises with functional exercises to assess their effectiveness in activating the muscles of the ankle joint and foot.
- - Thirty women participated, and muscle activity was measured in various exercises using surface electromyography to analyze the activation of specific muscles.
- - Results indicated that functional exercises resulted in greater muscle activation than traditional exercises, suggesting that they are more effective for improving muscle function and performance in individuals with ankle and foot dysfunction.
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