Instead of concentrating on certain muscle groups, keeping the focus upon the range of motion will provide the functional balance in the body. (blog.fitplanapp.com)
It affects the brain's ability to the control the function, for example, of certain muscles below the injured area depending on exactly where on the spinal cord the injury occurred. (advocatesunited.com)
These are placed into the shoes and correct the motion of the foot which in turn will reduce the load on certain muscles in the lower leg. (sportsinjuryclinic.net)