A friend is doing straight-legged sit ups in her Pilates class. I have been told this is too hard on the back. If you are in touch with a qualified fitness intructor please let me know the answer to this.
A friend is doing straight-legged sit ups in her Pilates class. I have been told this is too hard on the back. If you are in touch with a qualified fitness intructor please let me know the answer to this.