Supine isometric knee extension (with dorsiflexion) ("Quad sets" Knee terminal extension strengthening, ankle flexed, sitting)

Supine isometric knee extension (with dorsiflexion) ("Quad sets" Knee terminal extension strengthening, ankle flexed, sitting)

Sit with your resting leg bent.
Pull your toes on exercising leg towards you.
Clench your thigh muscles, pushing the back of your knee into the floor so your leg straightens.
Hold this position, relax and then repeat.

Required equipment: No equipment, Mat
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