Rider(TY005) Functions: Strengthening cardiac and pneumonic function, developing the strength of muscles in four limbs, waist, abdomen and back; improving the coordination between four limbs; good for healing bending and stretching hindrances in wrist, elbow, hip joint and knee joint. Approaches: Sit on the base plate, hold the handles with both hands and put your feet on the pedal, do the movement of bending and stretching of arms. www.txjoutdoorfitness.com