Flexor Forearm Lecture

Question 1

What is the primary muscle used when using a screwdriver?

Answer 1

Palmaris longus

Question 2

What muscle forms a distinct border on the anterior side of the ulna, radius, and interosseous membrane?

Answer 2

Flexor digitorum superficialis

Question 3

What nerve may be compressed if pronator teres is inflammed?

Answer 3

Anterior interosseous n. (branch of median)

Question 4

What classifications of nerves are contained by cutaneous nerves?

Answer 4

GSA, GVA, GVE (NO gse)

Question 5

If flexor carpi ulnaris is overworked which nerve may be impinged?

Answer 5

Ulnar n. (between the medial epicondyle and ulnar heads of the muscle)

Question 6

Describe the branching of the brachial a. as it passes the cubital fossa?

Answer 6

Branches in the Radial a, Ulnar a. and Common interosseous a.

Question 7

What is the only muscle that has a tendon which extends over the flexor retinaculum?

Answer 7

Palmaris Longus

Question 8

What is significant about the midpalmar space and thenar space in the hand?

Answer 8

they can get infected

Question 9

What separates the hypothenar region from the rest of the hand?

Answer 9

Medial Fibrous Septum

Question 10

What separates the Thenar compartment from the rest of the arm?

Answer 10

Lateral fibrous septum

Question 11

What bounds the central region of the hand?

Answer 11

Palmar aponeurosis (palm side), Medial Fibrous Septum (med. side), Lateral Fibrous Septum ( lat. side), midpalmar space (dorsally)

Question 12

What hand muscles are n the hypothenar muscle group?

Answer 12

Flexor digiti minimi, abductor digiti minimi, opponens digiti minimi

Question 13

What muscles are in the the then are thenar muscle group?

Answer 13

Flexor pollicis brevis, abductor pollicis brevis, opponens pollicis