Context: Proper treatment of lower limbs alignment in children may prevent the progression of pathologies. However, this is not evaluated from a scientific view-point. Objective: The purpose of this study was to evaluate the effects of a 16-week Corrective Exercise Continuum (CEC) programming strategy on three dimensional joint moments of dominant and non-dominant lower limbs during walking. Design: Randomized control trials. Setting: Sports biomechanics laboratory. Participants: Twenty eight male children with genu varus and with permission of their parents were volunteered to participate in this study. They were randomly divided in two equal-sized groups (experimental and control). Intervention: Corrective Exercise Continuum (CEC) programming strategy. Main Outcome Measures: Data acquisition was carried out using six infrared motion analysis cameras (Vicon motion Systems, Oxford, UK) and two force platforms (Kistler AG, Winterthur, Switzerland). The joint moments of the ankle, knee, and hip of the both lower extremities were calculated using inverse dynamics approach. Results: The results indicated that CEC decreased the peak knee internal rotation moment (P < 0.01) and peak hip external rotation moment (P < 0.01) in the dominant lower limb. However, it increased the knee extension moment (P < 0.01), knee abduction moment (P < 0.02) and hip internal rotation moment (P < 0.01) in the dominant lower limb. Regarding the non-dominant lower limb, CEC decreased the ankle inversion moment (P < 0.04), knee internal rotation moment (P < 0.01), hip abduction moment (P < 0.01) and hip external rotation moment (P < 0.01). In contrast, it increased the ankle dorsiflexion moment (P < 0.03) and the knee abduction moment (P < 0.01) in the non-dominant side. Conclusions: Performing CEC could reduce excessive knee internal rotation moment as well as hip external rotation moment identified as two key risk factors for medial knee osteoarthritis. Therefore, it would be recommended for children with genu varus, in that it can prevent and slow joint degeneration in adulthood.
- Bow leg
- Lower limb
ASJC Scopus subject areas
- Orthopedics and Sports Medicine