Comparison of thigh and lower leg Non-Fat area between COL6-RD, DMD and control groups. +significantly different from control. *significantly different from COL6; p < 0.05; COL6-RD-Collagen VI related dystrophy, DMD- Duchenne Muscular Dystrophy, VI- Vastus Intermedius, VL- Vastus Lateralis, VM- Vastus Medialis, RF- Rectus Femoris, Sol- Soleus, MG- Medial Gastrocnemius, LG- Lateral Gastrocnemius.