Exam 3 - Joints of the Upper Limb

Question 1

What is the main support of the sternoclavicular joint?

Answer 1

Costoclavicular ligament

Question 2

What is the main support of the acromialclavicular joint?

Answer 2

Coracoclavicular ligament

Question 3

What are the muscle tendons that make up the rotator cuff tendons?

Answer 3

Supraspinatus
Infraspinatus
Subscapularis
Teres minor

Question 4

What nerve supplies sweat glands and blood vessels on the lateral forearm?

Answer 4

Musculocutaneous - lateral antebrachial cutaneous nerve

Question 5

The subscapularis, teres major, latissimus dorsi, and teres minor muscles are innervated by nerves originating from what cord of the brachial plexus?

Answer 5

Posterior cord

Question 6

Which finger has no attachment for the dorsal interossei muscles, and why?

Answer 6

The little finger, which has its own abductor and does not have an attachment for the dorsal interosseous muscle (which ABducts).