Clinical Research Directory

Inclusion Criteria: 1. The group of OP (n=33) has femoral BMD T-scores below -2.5 diagnosed by DEXA scan according to the WHO \[8\] classification of BMD in 2003, 2. The control group has normal BMD T-scores more than -1. Exclusion Criteria: 1. There was any neurological, musculoskeletal, rheumatologic, respiratory or cardiovascular problem. 2. They were receiving medications that result in bone loss such as corticosteroids, 3. They had vertigo, dizziness, or any vestibular problem, 4. They had hyperthyroidism or hyperparathyroidism. 6- They actively participate in sports activities, 5. They underwent previous surgery (e.g; joint replacement) or history of fractures of the lower extremity.