Side Sit Up
Description
The side sit-up lies on your side and performs a sit-up by laterally flexing your spine — lifting your torso off the floor sideways. It directly targets the obliques through lateral spinal flexion.
Muscle Group
Equipment Required
Side Sit Up Instructions
- Lie on your right side. Stack your legs. Anchor your feet or have a partner hold them.
- Place your left hand behind your head.
- Laterally flex your spine — lift your torso off the floor sideways.
- Rise as high as possible. Squeeze your left oblique.
- Lower under control.
- Complete reps, then switch sides.
- This is a direct oblique exercise through lateral flexion.
- Aim for 10 to 15 reps per side.
Side Sit Up Form & Visual

Side Sit Up Benefits
- Direct oblique loading through lateral flexion
- Isolates one side at a time
- No equipment needed
- Builds oblique strength and definition
- Simple and effective
- Develops lateral core power
Side Sit Up Muscles Worked
- Obliques (working side)
- Quadratus lumborum





