Fig. 3From: Alterations in neuromuscular function in girls with generalized joint hypermobilityCo-activation ratio during knee flexion and extension. a Flexion-extension. b Medial-lateral including two muscle groups (quadriceps and hamstrings, QH). c Medial-lateral including three muscle groups (quadriceps, hamstrings and gastrocnemius, QHG). * indicate differences between groups. (*) indicates P < 0.1. Mean (SE)Back to article page