The legs should be shoulder-width apart and the toes always "looking" at the front. It is not convenient to help with the arms, since before this it is better to lower the weight slightly. 4. Testo Edge Extreme Flexion / Extension for Femoral Biceps: Try to accommodate yourself well so you do not mistreat your knees. The concentric phase (the rise) as well as the eccentric (the descent) should be done as far as you can to fully stimulate both insertion points of the muscles of the lower limbs in your back. The descent must be controlled to avoid a severe impact on the knees. 5. Adductors: Close your legs with all your strength and at the time of opening do not let yourself beat easily.