Kinematic and Electromyographic Activity Changes during Back Squat with Submaximal and Maximal Loading

Figure 2

Knee and hip angle-dependent EMG values of rectus femoris (RF), vastus medialis (VM), vastus lateralis (VL), erector spinae (ES), gluteus maximus (GM), biceps femoris (BF), and semitendinosus (ST) throughout the descending and ascending phases of the squat movement.