AND ALSO ON THE SOFA! work for the six pack that you want! br 1⃣Use your abs and not your neck to do the movement. 15 reps br 2⃣12 reps with each leg br 3⃣Try not to step on your pet 15 reps br 4⃣use your abs 15 reps br 5⃣20 reps br 6⃣20 reps br Beginners 2 sets, intermediate 3 ,expert 4.