Lie facedown with midsection on ball, feet anchored low on wall, a weight in each hand; lower arms in front of ball, palms facing ball. Lift chest off ball as you rotate palms up and pull elbows to sides, squeezing shoulder blades together (as shown). Return to start for 1 rep. Do 12 reps; repeat.
#DailyMailUK ..... "Device can be positioned on all areas of lower arm to do perform functions.. Sophisticated hand gestures perform different task, a fist puts it in idle.. Can be used as a wrist-worn gripper, a second palm or extra fingers.. Controlled electromyography signals from arms and muscles."..... http://www.dailymail.co.uk/sciencetech/article-3601634/Need-hand-Mind-controlled-robot-arm-strapped-add-extra-fingers.html#ixzz49F4jfmbZ