Anatomy

Question 1

Which structures run through the carpal tunnel?

Answer 1

Flexor pollicis longus
Flexor carpi radialis
Flexor digitorum superficialis
Flexor digitorum profundus
Median nerve

Question 2

Which structures are NOT in the carpal tunnel?

Answer 2

Ulnar nerve and artery (under the palmar carpal ligament)

Palmaris longus

Flexor carpi ulnaris

Question 3

Which bones make up the proximal row of carpal bones?

Answer 3

Scaphoid, lunate, triquetrum, pisiform

Question 4

Which bones make up the distal row of carpals?

Answer 4

Trapezium, trapezoid, capitate, hamate

Question 5

What are the extrinsic hand flexors?

Answer 5

Flexor pollicis longus
Flexor digitorum superficialis
Flexor digitorum profundus

Question 6

Wht are the extrinsic hand extensors?

Answer 6

Extensor digitorum
Extensor digiti minimi
Extensor indices
Extensor pollicis longus
Extensor pollicis brevis
Abductor pollicis longus

Question 7

What are the thenar intrinsic hand muscles?

Answer 7

Abductor pollicis brevis
Flexor pollicis brevis
Opponens pollicis
Adductor pollicis

Question 8

What are the hypothenar intrinsic hand muscles?

Answer 8

Abductor digit minimi
Flexor digit minimi
Opponens digiti minimi
Palmaris brevis

Question 9

What are the central/deep intrinsic hand muscles?

Answer 9

Lumbricals
Dorsal interosseous
Palmar interosseous

Question 10

What does the Froment sign indicate if positive?

Answer 10

Ulnar nerve lesion

Shows that you are unable to activate adductor pollicis; compensating eith flexor pollicis longus

Question 11

What does the OK sign indicate?

Answer 11

AIN lesion

Positive if makes a teardrop sign because unable to flex IP of thumb & DIP of index finger