STRAIGHTARM CRUNCH
Targets: Core, abs, triceps, biceps
(a) Lie on your back with your shoulders and knees raised at
45°, heels on the floor. Hold the ball above your head.
(b) Lifting from your shoulders, raise your torso up, keeping your arms locked above you. Exhale at the top of the move and inhale as you lower. Like going 10 rounds with Fury.