The Object: effects of physiotherapy programs. Aim of study: To determine effects of different physiotherapy programs for leg functions, pain, swelling and improve independence after hip replacement surgery. Hypothesis: We believe that physiotherapy in the water for patients after hip replacement surgery, more improve leg functions, independence, reduce pain and swelling than the physiotherapy in the room. Goals of study: 1. To determine and compare hip amplitude of the movements after hip replacement surgery, before, after 15 and 30 days of physiotherapy in the water and in the room. 2. To determine and compare thigh circumferences and pain after hip replacement surgery, before, after 15 and 30 days of physiotherapy in the water and in the...