@christiandcastano: DECLINE BENCH MEDICINE BALL ABS 🔥 Grab a decline bench, a weighted ball ( I used 8lbs) and get to the nearest wall to try these killer ab variations! Ball Throw Sit-Ups. 2 x 15 reps Trunk Rotation Ball Throw. 2 x 15 each side Plank Knee Tucks. 2 x 15 reps Reverse Crunch. 2 x 15 reps Weighted Rotary Sit-Ups. 2 x 14 reps Trunk Rotations. 2 x 12 reps