What is Biceps tenosynovitis?
Biceps tenosynovitis is inflammation of the tendon of the biceps brachii muscle (same muscle that we have in our upper arm) and its sheath. The root cause of this problem is due to repeated injury to the biceps tendon, acute severe trauma and chronic osteochondritis dissecans of the shoulder joint. Signs Most dogs that develop biceps tenosynovitis are mature, medium to large breeds; however, small breed dogs also can develop this condition. Intermittent or continuous lameness, which is exacerbated by exercise, is a consistent clinical sign of biceps tenosynovitis. Your companions veterinarian may find pain upon hyperflexion of the shoulder and extension of the elbow, as this stretches the inflamed biceps tendon. Direct palpation of the tendon near the shoulder joint also may elicit a painful response. Atrophy of the muscles of the affected forelimb is a nonspecific, but common finding. Diagnosis X-rays of the shoulder may reveal calcification of the biceps tendon and bone spurs that ou