Supra-spinatus Rehabilitation Program Comparison

Through a prospective randomized study the aims of this study is to analyze the impact of 3 types of rehabilitation protocols on the Optimization of the post-operative clinical and anatomic healing of the rotator cuff. After an arthroscopic repair of a stage 1 or 2 supra-spinatus tendon rupture, patients will be included in 3 groups (98 patients per group): * strict immobilization for 6 weeks then active rehabilitation, * or 3 weeks of immobilization then 3 weeks of passive motion before active rehabilitation, * or immediate passive motion for 6 weeks and then active rehabilitation. Patients will be evaluated clinically at 6 weeks, 3 months, 6 months and 1 year and an arthro-CT will be performed at 1 year. The investigators will evaluate: constant score and rate of tendon healing.