When the Illiopsoas is tight and overactive the opposing muscle (the Gluteus Maximus) is weak and underactive which is one of the major causes of low back and/or hip pain. By doing this week’s exercise of the week after stretching your Illiopsoas muscle
(the standing Illiopsoas stretch), you can decrease your chances of experiencing low back and/or hip pain by increasing the muscle balance between you Illiopsoas and Gluteus Maximus muscles.