Constipation refers to the inability to evacuate the bowel on a normal schedule without excessive straining. Medical evaluation can help determine the primary cause of constipation. In some cases the problem is associated with tight or incoordinated pelvic floor muscles or habits and behaviors that require education. Physical therapy with biofeedback can train the muscles to relax appropriately and work more efficiently.  A comprehensive physical therapy evaluation will define what your specific treatment goals will be.  Here is an excellent summary of  physical therapy treatment for constipation.