The Ball Lever exercise works your shoulders, back, triceps, and abs. Do as many reps as you can in 30 seconds, rest, then repeat.
Slim Down in a Splash. Ball Lever. Keep your body and your arms nice and straight throughout this move. Pull the ball as quickly as you can towards your thighs. You're gonna do this for 30 seconds and if you wanna make the move harder, choose a bigger beach ball.