Lie on your back and bend your legs 90 degrees. Contract your abs and raise your hips, bringing your knees to your chest. Repeat, lowering your hips slowly.
Lie on your back and bend your legs 90 degrees. Contract your abs and raise your hips, bringing your knees to your chest. Repeat, lowering your hips slowly.
Lay on your back with legs outstretched. Raise one leg a few inches while keeping the other just above the ground. Switch legs in a scissor motion. Move steadily.
Lay on your back, hands behind your head, knees bent. Raise your shoulders and stretch your right leg with your right elbow to your left knee. Reverse pedaling.
Plank hands-under-shoulders. Core-lift your right knee to your chest. Quickly bend the left knee and right leg. Quickly switch.
Use a solid overhead or pull-up bar. Hang arms-extended from the bar. Straighten your legs and lift them to your chest. Repeat, slowly lowering your legs without swinging.
Begin in a forearm plank with elbows under shoulders. Rotate one hip to the floor without touching it, then the other. Stay in plank throughout the movement.