Six-Week Progressive of Hip-Focused Exercises: An Alternative to Promote Dynamic Stability Following Anterior Cruciate Ligament Reconstruction
Keywords:
Anterior cruciate ligament reconstruction, Hip-focused exercises, Dynamic postural controlAbstract
Anterior Cruciate Ligament Reconstruction (ACLR) is a very successful method to restore mechanical stability of knee joint. However, significant instability can be found as a consequence of joint proprioception deficit and muscle weakness. The aim of the study was to determine the effects of progressive hip-focused exercises on dynamic postural control using the center of pressure (COP) variables. Recreationally active male who underwent ACLR were allocated into two groups (Exercise; n=13, control; n=10). The six-week progressive of hip-focused exercises were constantly performed on both legs, three times a week. A force platform was used to evaluate the changes in COP velocity after landing from a jump with the reconstructed leg. The subjective International Knee Documentation Committee (IKDC) was also used to evaluate the knee function. The results showed that, decreasing COP velocity has been detected for both mediolateral (ML) and anteroposterior (AP) direction (p<0.05). Participants in the exercise group has also showed greater changes for 36.38 and 42.73 percent from baseline of ML and AP direction, respectively. The IKDC score was also significantly increase (93.72±3.92; p<0.01) compared to the control. (77.92±9.19; p<0.01). Functional stability may have altered after returned to play following the ACLR. In order to attain the better performance, strengthen the hip muscles would benefit the dynamic stability in individuals with ACLR.
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