You can use the Power Twister for various muscle groups: chest, shoulder, arm, wrist and hand backand here I am presenting an exercise chart from a bodybuilding magazine (from the 70s), have fun.
Exercise No. 1
Hold Power Twist in front of you at waist height, arms outstretched. Bring hands together as shown, while you gradually inhale till handles touch. Release and exhale slowly – Repeat 10 times, each time tensing the abdominal muscles as you pull your hands together.
Exercise No. 2
Hold Power Twist in front of you at shoulder height, arms exteneded at each side – Bend elbows and gradually inhale while you bring your hands together. Release and exhale slowly – Return to original position and repeat 10 times. Try to tense your chest muscles as you continue each exercise.
Exercise No. 3
Hold the Power Twist with one hand held firmly at the hip, your other arm extended to the other side – Pull the extended arm toward the body, as you gradually inhale, in an upward motion till the handle touches your chest. Slowly exhale and return to starting position. Alternate position of arms and repeat 10 times for each arm.