Patients with wrist fractures are recruited from Bergen Municipal Emergency Ward, where they are randomly divided into two groups with concealed allocation. The fracture is immobilized with a cast of paris, with a small opening where Low Level Laser therapy can be administered in skin contact. The patients will receive treatment 3 times a week, for 3 weeks. After discontinuation of the cast, the patients swelling, pain, grip strength and function of the wrist is measured. The patients will meet for follow-up controls until 26 weeks after injury.