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All exercises

Quarter sit-up

Beginner

Quarter sit-up is a isolation bodyweight exercise for the abs, also working the quads.

What it works

Primary muscle

Abs

Also works

Quads

Equipment
Bodyweight
Movement
Core
Type
Isolation
Logged as
Reps
Suggested rest
1 min

How to do it

  1. 1Lie flat on your back with your knees bent and feet flat on the ground.
  2. 2Place your hands behind your head with your elbows pointing outwards.
  3. 3Engaging your abs, slowly lift your upper body off the ground, curling forward until your torso is at a 45-degree angle.
  4. 4Pause for a moment at the top, then slowly lower your upper body back down to the starting position.
  5. 5Repeat for the desired number of repetitions.

What to do instead

  • Assisted sit-upMachine
  • 3/4 sit-upBodyweight
  • Sit-upBodyweight
  • Half sit-upBodyweight
  • Jackknife sit-upBodyweight
  • Band jack knife sit-upResistance band

Easier variations

  • Assisted sit-upMachine

Harder variations

  • Band jack knife sit-upResistance band
  • Weighted decline sit-upWeight plate
  • Decline sit-upBodyweight
  • Arms overhead full sit-upBodyweight
Logged today · 1 min restQuarter sit-up

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