
balance board
QuadricepsPoids du corps

Étape 1: Stand with your feet shoulder-width apart.
Étape 2: Lower your body by bending your knees and pushing your hips back as if sitting on a chair.
Étape 3: Keep your chest up and your back straight.
Étape 4: Lower yourself until your thighs are parallel to the ground.
Étape 5: Push through your heels to return to the starting position.
Étape 6: Repeat for the desired number of repetitions.