Impact of Ultraviolet Radiation on Bone Density and Muscle Strength in Postmenopausal Women

The therapist cut three holes, each measuring 2 by 2 cm, into a piece of cardboard that was about 4 by 20 cm in size.The first hole was exposed for 90 seconds, the second for 60 seconds, and the third for 30 seconds

The postmenopausal women in groups (A and B) exercised on the treadmill; women should always warm up before beginning exercise and stop if they experience pain or shortness of breath. Each session lasted 30 minutes and included 5 minutes of warming up and 20 minutes of walking at 60% of their maximum heart rate (MHR). The maximum heart rate that the circulatory system can support during physical exercise is MHR=220. Three sessions a week for three months, followed by a five-minute cool-down

Throughout three months, vitamin D supplements (800 IU) will be given to all postmenopausal women in both groups (A\&B)