III. DISEASES OF THE SYNOVIAL MEMBRANES AND OF THE ARTICULATIONS 45 I. SYNOVIAL MEMBRANES AND ARTICULATIONS 45 Synovitis 45 Inflammation of the patellar synovial capsule 45 Distension of the synovial capsule of the hock joint 46 Distension of tendon sheaths in the hock region 46 Distension of the synovial capsule of the knee joint 47 Distension of the synovial capsule of the fetlock joint 48 Distension of tendon sheaths 48 Distension of tendon sheaths in the region of the knee 49 Distension of the bursal sheath of the flexor tendons 49 Traumatic synovitis—“Open synovitis” 49 Traumatic tendinous synovitis 50 Traumatic articular synovitis—Traumatic arthritis—“Open arthritis” 51 II. STRAINS OF JOINTS 52 Strain of the shoulder 52 Strain of the knee 53 Strain of the fetlock 54 Strain of the stifle joint 54 Strain of the hock joint 55 III. LUXATION OF JOINTS 56 Luxation of the femur 56 Luxation of the patella 58 Luxation of the femoro-tibial articulation 61 Luxation of the scapulo-humeral joint 63 IV. HYGROMAS 64 Hygroma of the knee 65 Hygroma of the haunch 67 Hygroma of the trochanter of the femur 67 Hygroma of the stifle 67 Hygroma of the point of the hock 68 Hygroma of the point of the sternum 69 IV. DISEASES OF MUSCLES AND TENDONS 70 Rupture of the external ischio-tibial muscle (Biceps femoris) 70 Rupture of the flexor metatarsi 72