principles of surgery are ( 1 ) identification and release of all restricting bands involving the sternocleidomastoid muscle and other neck structures , ( 2 ) moving of the head and neck through a full range of motion prior to the completion of the procedure , and ( 3 ) resumption of physical therapy within 2 weeks of operation to prevent recurrent scar contracture .
C0224153
sternocleidomastoid muscle
C0027530
neck structures