Exercise Comparison
3/4 Sit-Up vs Cable Seated Crunch
Side-by-Side
Muscle Analysis
Shared
Instructions
3/4 Sit-Up
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.
Cable Seated Crunch
Seat on a flat bench with your back facing a high pulley.
Grasp the cable rope attachment with both hands (with the palms of the hands facing each other) and place your hands securely over both shoulders. Tip: Allow the weight to hyperextend the lower back slightly. This will be your starting position.
With the hips stationary, flex the waist so the elbows travel toward the hips. Breathe out as you perform this step.
As you inhale, go back to the initial position slowly.
Repeat for the recommended amount of repetitions.
Verdict
Both exercises target the abdominals. 3/4 Sit-Up is a beginner exercise using bodyweight, while Cable Seated Crunch is beginner and uses cable. Choose 3/4 Sit-Up if you have access to bodyweight, or Cable Seated Crunch if you prefer cable. 3/4 Sit-Up is a compound movement working multiple joints, making it better for overall strength. Cable Seated Crunch isolates the target muscle for focused development.