Fig. 1From: Effect of hip joint angle at seat-off on hip joint contact force during sit-to-stand movement: a computer simulation studyMusculoskeletal model. Eight muscles (iliopsoas, gluteus maximus, vastus, rectus femoris, hamstrings, tibialis anterior, soleus, and gastrocnemius) were attached to the right lower limb. Furthermore, the muscles of the left lower limb were assumed to perform the same activities as those of the right lower limbBack to article page