Subjects in the control group are asked to maintain their current lifestyle. No restrictions are placed on their exercise activities. Subjects in the intervention group must participate in a training course consisted of 24 sessions over 3 months. The exercises include aerobic, stretching, balance and functional training, i.e. circuit exercises focus been on: the prevention of falls and fractures, improving balance and coordination, improving posture, and informing subjects about risk factors for falls and for osteoporosis and fractures.