Vastus intermedius: Nestled between the vastus lateralis and vastus medialis, it also aids in knee extension. Vastus medialis: Situated on the inner thigh, it's key for knee stability. 2.

Elevating your heels places far more emphasis on your quads than a regular squat, particularly on the vastus medialis – the teardrop-shaped muscle on the inside of the thigh that extends to your ...

The quadriceps muscles include the rectus femoris and the vastus lateralis, vastus intermedius and vastus medialis. The origin of the rectus femoris is the anterior inferior iliac spine, and the ...

Surface EMG data were collected from the vastus medialis oblique (VMO), vastus lateralis (VL), and gluteus medius (Gmed) muscles of the dominant leg of each subject during three single leg, weight ...

The step-up with deliberate co-activation resulted in greater activation of the hamstrings, greater co-activation indices for semimembranosus-vastus medialis and biceps femoris-vastus lateralis ...