Tennis Injuries Lateral Epicondylitis Extensor Carpi Ulnaris Subluxation 842.00 Extensor Carpi Ulnaris Tendonitis 727.05 Posterior Glenohumeral instability Hook of the Hamate fracture Posterior Elbow Impingement Ulnar neuropathy Medial Elbow Instability Achilles tendonitis Radiocapitellar synovial plica