How to do it
Press your feet firmly into the floor to anchor the towel's tension.
- 1
Lie on your back with knees bent and feet flat on the floor, holding a towel with both hands.
- 2
Place the towel under your knees and hold it with your palms facing up.
- 3
Curl your hands towards your shoulders by flexing the biceps, pulling against the towel.
- 4
Slowly return to the starting position and repeat for the desired number of repetitions.
Expert tip
Ensure constant tension in the towel by pulling it apart throughout the movement to effectively work the biceps.
Common mistakes
- ✕Lifting the head and shoulders off the floor
- ✕Letting the elbows flare outward
- ✕Bending the wrists backward during the curl