A 45-years old weight lifter while lifting the heavy weight in weight-lifting competition suddenly he felt a sudden snap and severe pain in the shoulder region. He dropped the weight and left the platform. He was taken to the hospital for checkup. On examination, the doctor noticed a ball-like bulge near the center of the distal part of the anterior aspect of the arm . the patient as not able to supinate his arm, and his forearm was pronated and flexed. A diagnosis of the rupture of the tendon of the long head of biceps was made.
- What are the causes of the rupture of the tendon of the long head of biceps and which age group does it mostly affected?
- What is the origin of the long and short head of the bicep brachii?
- What caused the ball-like bulge in front of the arm and name this deformity?
1. a) The rupture of the tendon of the long head of the biceps usually occurs from the wear and tear of an inflamed tendon as it moves back and forth in the bicipital groove of the humerus. It may also result from the forceful flexion of thearm against excessive resistance as during weightlifting.
b) It usually occurs in individuals of >35 years of age
2. a)Long head from supraglenoid tubercule of the scapula.
b)short head from the tip of coracoids processof the scapula
3. a) detached belly of the biceps muscle
b) popeye deformity