To perform a proper situp:
- Lie down on your back.
- Bend your legs and place feet firmly on the ground to stabilize your lower body.
- Cross your hands to opposite shoulders or place them behind your ears, without pulling on your neck.
- Curl your upper body all the way up toward your knees.
Why can't I do a proper sit up?
"Obviously, a weak core will make for a difficult time doing sit-ups, but weak hip flexors can more often be the culprit," Palocko says. "The hip flexors — including iliopsoas and rectus femoris — are responsible for stabilizing your hips and thighs as your torso travels upright.
How do you do sit-ups for beginners?
The Basic Sit Up for Beginners
- Lie down on your back, with your feet on the floor, knees bent.
- Place your hands on either side of your head in a comfortable position.
- Bend your hips and waist to raise your body off the ground. ...
- Lower your body back to the ground into the starting position.
- Repeat.