IRCT201204109431N1 IRCT 2012-05-31 Tehran university of medical sciences Effect of laser on hand's nerve repair The comparison of treatment results of standard repair of traumatic injury of the distal half of the median nerve with applying laser therapy after repair 2010-12-22 anticipated 40 Complete https://irct.ir/trial/9953 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Forearm injury. Intervention 1: 10 sessions of low power laser therapy (DIOD LASER wavelenth 810 nm, power 50 mv, energy 4 j) with contact on anastomosis site. The first session during 24 hours after surgery and anothers with 48 hours interval. Intervention 2: Nothing.