How to do it
Press your lower back flat against the floor throughout the curl.
- 1
Lie on your back with knees bent and feet flat on the floor.
- 2
Extend your arms straight behind your head, keeping them close to your ears.
- 3
Contract your abs to lift your shoulder blades off the floor.
- 4
Lower back down to the starting position.
- 5
Repeat for the desired number of repetitions.
Expert tip
Focus on lifting with your abs rather than your neck or shoulders to prevent strain and ensure proper muscle engagement.
Common mistakes
- ✕Bending the elbows behind the head
- ✕Pulling the arms forward to swing up
- ✕Lifting the entire back off the floor