3/4 Sit-Up vs Wind Sprints

Lie down on the floor and secure your feet. Your legs should be bent at the knees.

Place your hands behind or to the side of your head. You will begin with your back on the ground. This will be your starting position.

Flex your hips and spine to raise your torso toward your knees.

At the top of the contraction your torso should be perpendicular to the ground. Reverse the motion, going only ¾ of the way down.

Repeat for the recommended amount of repetitions.

Hang from a pull-up bar using a pronated grip. Your arms and legs should be extended. This will be your starting position.

Begin by quickly raising one knee as high as you can. Do not swing your body or your legs. 3

Immediately reverse the motion, returning that leg to the starting position. Simultaneously raise the opposite knee as high as possible.

Continue alternating between legs until the set is complete.