1 .Knee joint: cruciate ligament injury, meniscal injury, synovitis, patellar dislocation, knee joint adhesion, intra-articular fracture, knee osteoarthritis free body, etc. 2.Shoulder joint: acromioclavicular impingement, rotator cuff injury, shoulder dislocation, upper glenoid labrum injury, frozen shoulder (adhesive capsulitis), acromioclavicular joint lesion, etc. 3.Hip joint: femoral head-acetabular impingement syndrome, glenoid labral injury, popping hip, cartilage injury, synovitis, etc. 4.Ankle joint: ankle joint impingement syndrome, ligament injury, cartilage injury, synovitis, free body, etc. 5.Elbow joint: elbow joint adhesions, cartilage injury, osteoarthritis, synovitis, etc. 6.Wrist joint: triangular cartilage injury, carpal tunnel syndrome, etc.