Intervention of Shoulder Blood Flow Restriction Training on Shoulder Joint Pain and Function of Judo Athletes

Inclusion Criteria: * ① Judo athletes, aged 18-30 years old; ② can cooperate with rehabilitation physiotherapy and training and follow-up, and will not quit the study without reason; The presence of shoulder joint pain and dysfunction; After passing the shoulder function test screening, there are two or more positive tests Exclusion Criteria: * External injuries of shoulder joint, including bumps, blows, cuts, burns, contusions, etc., without skin rupture, external blood or subcutaneous bleeding; ② congenital abnormal bone structure; ③ There is inflammation, dislocation of shoulder joint, ligament injury; ④ A history of shoulder joint related surgery within one year; ⑤ Injury or discomfort to other body parts;