china Hoisted fitness machine ROC-IT Biceps Curl

Features
Cable-Driven exercise movement automatically adjusts to accommodate varying arm lengths and shoulder widths
Swiveling pulleys provide pronated, neutral or supinated grip positions
Starts the body in an upright posture to improve arm extension for biceps recruitment, then rocks rearward during the exercise to reduce shoulder and back involvement
Rocking motion mimics the natural movement of a standing barbell/dumbbell curl without involving the lower back