Fig. 4: Proportion of studies recording lower limb muscles and muscle groups.

The chart is normalised to 100% of studies included in this review. The outer ring contains recorded muscles: adductor magnus (AM), biceps femoris (BF), gluteus medius (GM), lateral gastrocnemius (LG), medial gastrocnemius (MG), semimembranosus (SM), semitendinosus (ST), rectus femoris (RF), tibialis anterior (TA), vastus lateralis (VL), vastus medialis (VM). The inner ring contains the functional muscle group.