Quarter sit-up
The quarter sit-up is a core exercise that targets the abdominal muscles. It involves lifting the upper back off the ground to engage the abs without performing a full sit-up.

At a glance
- Area
- Waist
- Main muscle
- Abs
- Equipment
- Body weight
- Level
- Beginner
Form tips
- Keep your lower back pressed against the floor.
- Engage your core throughout the movement.
- Avoid pulling on your neck with your hands.
What to watch out for
- Lower back pain
- Recent abdominal surgery
- Hernia
Also known as
Mezzo crunch, partial sit-up, abs exercise, core workout