Question

4. An 18 year old student regularly attends the gym to do weightlifting. One day he is lifting a heavy weight in front of him with his elbows flexed. He suddenly experiences pain and weakness in his left anterior upper arm and drops the weight. He notices a bulge at the distal end of his upper arm and at the elbow. The tendon of which muscle has ruptured?

5. A 20 year old university student is practicing for a cricket match. While catching a cricket ball, the ball hits the tip of the left middle finger on the dorsal aspect, causing hyperflexion at the distal interphalangeal joint. He is now unable to extend at this joint. The muscle whose tendon is most likely to have been damaged is...

6. A 45 year old woman recently underwent carpal tunnel release operation for carpal tunnel syndrome of the left hand. Following the operation she complained of weakened flexion of the thumb. The tendon of which muscle may have been damaged?

Answer 1

4. Ans - Bicep brachial tendon.

During weightlifting. Arm is dominated and flexed at elbow .

Overweighting result in following injuries at diff site

1) Bulge at chest - Pectoralis ms tendon rupture near clavicle

2) Bulge at Distal Radius - Bicep brachial tendon rupture

3) Shoulder pain - Capsule and Labrum of glenoid is ruptured.

5. Extensor digitorum muscle tendon of middle finger

Dueto sudden blow of force on extensor site of finger there is rupture of EDL tendon and unopposed flexion of distal phalanges occur called MALLET FINGER.

6.flexor policis longus tendon injured .

Laceration during surgery

4 Flexor digitorum profundus and 4 superficialis

Along with Flexor pollicis longus present in flexor retinaculum