(4/4) Last Exercise Works your back, abs, and obliques Sit with
your knees slightly bent, heels on floor while holding a large detergent bottle, milk jug, water jug
or 10-pound weight in front of chest. Now lean back until you feel your abs
engage. Now twist right & touch bottle to floor. (as shown) Now twist back to left; no that’s one rep! Repeat until you can't do anymore. See, you don't need personal trainers!