The abdominal portfolio exercise is a good way to strengthen your abdominal belt. Also known as the toe touch crunch, this variation of the classic crunch requires good control of your abdominal contraction to be performed effectively. How to perform the exercise? To do the portfolio abs, the ideal is to lie down on a bench...
Bicycle crunches are an exercise to build up the abdominal muscles with body weight. This exercise mainly involves the obliques, the rectus abdominis and also the hip flexor muscles (psoas iliacus). How to perform this exercise for the obliques? Lie down on the ground, hands behind your ears, it is a question of...
How to perform the exercise? The bench knee raise is a variation of the Roman chair exercise for building abdominal muscles. Like most pelvic lift exercises, the bench knee raise mainly involves the rectus abdominis (which allows for trunk flexion) but also the abdominal muscles.
