Inclusion Criteria:  Post-menopausal women: Their age will be ranged between 45-59 years old, with low back pain.  Exclusion Criteria:  Infection disease or fever. Foot ulcers. Foot infection or undergoing foot surgery. Recent fracture in foot and toes with unhealed wounds. Thrombotic disease of lower extremities. Deep proprioception loss. Peripheral neuropathy. Gout or advanced arthritis affecting the foot and toes.