Exercise Comparison
3/4 Sit-Up vs Otis-Up
Side-by-Side
Muscle Analysis
Shared
Only in Otis-Up
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.
Otis-Up
Secure your feet and lay back on the floor. Your knees should be bent. Hold a weight with both hands to your chest. This will be your starting position.
Initiate the movement by flexing the hips and spine to raise your torso up from the ground.
As you move up, press the weight up so that it is above your head at the top of the movement.
Return the weight to your chest as you reverse the sit-up motion, ensuring not to go all the way down to the floor.
Verdict
Both exercises target the abdominals. 3/4 Sit-Up is a beginner exercise using bodyweight, while Otis-Up is beginner and uses other. Choose 3/4 Sit-Up if you have access to bodyweight, or Otis-Up if you prefer other.