Inclusion Criteria:  All subjects are aged 60 or above with a history of vertebral fracture, and able to walk without assistance; Not received bilateral hip replacement and spinal surgery; No known malignance at time of enrollment; Able to attend Tung Wah College for examination and assessment, understand and sign the consent form.  Exclusion Criteria:  Unable to attend the research center for receiving examination and tests; Unable to give consent; Diseases such as stroke and Parkinson's Disease that adversely affect the balance and gait weight distribution; Bed bound or wheel-chair bound patients.