Exercises (all)
The cross-body crunch is a little more challenging because the movement is larger. The exercise mainly focuses on the oblique abdominal muscles.
Hip abduction trains the muscles in the hip that move the legs apart. This exercise is suitable for at home and in the gym.
The hip adduction is often forgotten, especially by men. She is a good adductor workout, which pulls the legs together.
The Nordic hamstrings is mainly aimed at building strength of the hamstring muscles. Use it for strength training and rehabilitation.