Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Ideal closed chain, low impact aerobic upper body muscle-conditioning platform * Designed to be accessible, easy-to use, and allows the user to train independently * Tried, tested, and proven in rehab facilities and homes, the EN355E4 delivers excellent upper-extremity muscle conditioning and improves cardiovascular capacity * The EN355E4 allows the crank arm on the e-resistance system to be adjusted from 36" to 50" from the floor which allows for the unit to be used in a seated or standing position * Provides excellent close-chain and body core stabilization *