Cross-education effect of balance training program in patients with chronic ankle instability: A randomized controlled trial
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2021;9(8):9 Injury. 2021 Mar; 52(3): 625-632.What this means for my practice?
The results of this study may suggest that balance training performed on the non-affected side results in a similar improvement in postural control of the affected side compared to balance training performed on the affected side in female patients with chronic ankle instability. This study was limited by the small sample size, limited number of outcomes assessed, and inability to infer findings on male patients due to lack of male participants in the study. Future studies with a larger sample size, wider selection of outcomes, and more generalizable study population is of interest.
Study Summary
Thirty-five female patients with chronic ankle instability were randomized to receive 6 weeks of Single-Limb Balance Training exercises performed on the non-affected side (n=12), 6 weeks of Single-Limb Balance Training exercises performed on the affected side (n=12), or no treatment (n=11). The outcomes of interest included Mediolateral Stability Index (MLSI), Antero-Posterior Stability Index (APSI), and the Overall Stability Index (OASI), all measured before and after training. Results revealed statistically significant improvements from baseline in all outcomes in both the cross-training group and traditional training group (p<0.05 for all). In addition, OASI and MLSI scores were statistically significantly in favour of the cross-training group compared to the control group (p<0.05 for both). Also, OASI, APSI, and MLSI scores were statistically significantly in favour of the traditional training group compared to the control group (p<0.05 for all). No statistical differences were observed between the cross training and traditional training groups in all outcomes (p>0.05 for all).
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