A time-saving ab crunch

This is a quick and easy abdominal crunch that will help keep your abs in shape even if you don’t have time to go to the gym for a full-body workout. It strengthens and flattens your midsection, and the added twist targets your obliques. It’s super-effective if you remember to compress your abdominals a split second before you do the crunch.

Karen Voight

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1 Lie face up on a mat or a padded surface. Place your fingertips behind your head, knees bent, with your feet flat on the floor. Inhale.

2 On an exhale, contract your abdominals by pulling your navel toward the spine. Bring your right knee toward your chest as you rotate your left shoulder toward your right knee. Keep your elbows open. Alternate sides continuously for one minute.