The first exercise is the hanging knee raise. This movement will target the lower abs. This is the easiest variation.
For this exercise, you’ll fully extend your legs after lifting your knees to your chest. This exercise will also target the hip flexors and upper quads.
The following exercise is the standard hanging leg raise. In this variation, you’ll keep your legs straight the entire time.
The Garhammer raise is a more advanced variation of the hanging knee raise that keeps your abs on tension the entire time.