
balance board
QuadricepsPoids du corps

Étape 1: Adjust the seat height and backrest of the machine to fit your body.
Étape 2: Sit on the machine with your back against the backrest and your feet on the footpad.
Étape 3: Grasp the handles or sidebars for stability.
Étape 4: Extend your legs forward by straightening your knees, lifting the weight.
Étape 5: Pause for a moment at the top, then slowly lower the weight back to the starting position.
Étape 6: Repeat for the desired number of repetitions.