Start: Load a barbell lightly on one end. Wrap the other in a towel and stick it into a corner of your workout room. Stand facing the loaded end, lock your fingers around the end of the bar, and hold it in front of your face.
Finish: Pivot your feet and torso simultaneously to move the top of the bar down and to your nondominant side so it ends up just above your nondominant knee. Feel your torso muscles work as you lift the bar u and then down toward your other knee. That’s 1 repetition.
Start: Get into a pushup position with the tops of your feet and your shins on the ball and your hands on the floor.
Finish: Pull your knees close t your chest, letting the ball roll slightly forward keep your arms straight, and squeeze your abs hard at the top.
Start: Get into a modified pushup position with your weight on your forearms and toes. Your body should form a straight line from head to heels .
Finish: Pull your abs in as far as you can, and hold this position for 20 to 60 seconds, breathing steadily. Relax, If you can do the entire 60 seconds, 1 rep is enough, If not, try for any combination of reps that gets you up to 60 seconds.
Start: Lie on your nondominant side. Support your weight with that forearm and the outside edge of that foot. Your body should form a straight line from head to ankles.
Finish: Pull your abs in as far as you can, and hold this position for 10 to 30 seconds, breathing steadily. Relax. If you can do the entire 30 seconds, 1 rep is enough, If not try for any combination of reps that gets you u to 30 seconds Then repeat on your other side.
Start: Get down on your hands and knees. Keeping your back flat.
Finish: Take a deep breath, allowing your belly to pooch out. Then forcibly exhale and round your back like an angry cat as you lift your navel up toward your spine. When you can exhale no more, keep your back rounded and your navel in as you purse your lips and take shallow breaths through your nose for several seconds. That's 1 repetition; it should take 20 to 30 seconds. Inhale as you flatten your back to the starting position.