Gross Exam 2 Part 2

Question 0

What muscle wraps around the dorsal tubercle of the radius to the dorsal aspect of the base of the distal phalanx of the thumb?

Answer 0

Extensor pollicis longus

Question 1

What is in the 1st compartment of the posterior compartment of the forearm?

Answer 1

The extensor pollicis brevis and abductor pollicis longus

Question 2

What is in the 2nd compartment of the posterior compartment of the forearm?

Answer 2

Extensor carpi radialis longus and brevis

Question 3

What is in the 3rd compartment of the posterior compartment of the forearm?

Answer 3

The extensor pollicis longus

Question 4

What is in the 4th compartment of the posterior compartment of the forearm?

Answer 4

The extensor digitorum and the extensor indicis

Question 5

What is in the 5th compartment of the posterior compartment of the forearm?

Answer 5

The extensor digiti minimi

Question 6

What is in the 6th compartment of the posterior compartment of the forearm?

Answer 6

The extensor carpii ulnaris

Question 7

Name the borders and contents of the anatomical snuff box.

Answer 7

Medial border extensor pollicis longus, lateral border extensor pollicis brevis and abductor pollicis longus. The floor is the scaphoid. Contents are the radial artery and the superficial radial nerve.

Question 8

What structures limit flexion at the elbow?

Answer 8

Bony appositions of the head of the radius and radial fossa of the humerus. The posterior band of the ulnar collateral ligament.

Question 9

What structures limit extension at the elbow?

Answer 9

The anterior cord of the ulnar collateral ligament and the anterior joint capsule

Question 10

What structures limit pronation?

Answer 10

Dorsal inferior radio-ulnar collateral ligament and interosseous membrane

Question 11

What structures limit supination?

Answer 11

The anterior inferior radio-ulnar collateral ligament and the interosseous membrane.

Question 12

What is the carrying angle in men and women?

Answer 12

Men 10-15 degrees

Women 15 degrees or more

Question 13

What is the range of motion at the elbow in flexion and extension?

Answer 13

160 degrees of flexion

180 degrees of extension

Question 14

What is the ratio of wrist extension that occurs at the mid carpal joint to the radio-carpal joint?

Answer 14

33 degrees at mid carpal to 66 degrees at the radiocarpal.

Question 15

How much rang e of motion is there during ulnar deviation? And radial deviation?

Answer 15

20-30 degrees and 10-15 degrees

Question 16

During wrist flexion what is the ratio of ,ove,net that occurs at the radiocarpal joint to mid carpal joint?

Answer 16

50/50