1. Clinical examination of the back, assessment of kyphosis, body weight and height, assessment of quality of life with SF-36 (Short Form-36) Health Survey) [16, 17], Qualeffo-41(Quality of life questionnaire of the European Foundation for Osteoporosis) [18, 19, 20] and EQ-5D (EuroQol-5Dimensions) Manual Balance Test, assessment of Back Extensor muscle strength. Evaluation of hand grip strength with a JAMAR hydraulic hand dynamometer.