Stu’s Questions

Question 1

The Thenar Muscles all cont Ian this word in their name.

Answer 1

Pollicis

Question 2

What represents the bottom (proximal) row of carpal bones?

Answer 2

Scaphoid, lunate, triquetrum, pisiform

Question 3

What is the origin of the abductor pollicis brevis?

Answer 3

Scaphoid and flexor retinaculum

Question 4

The capitate articulates with what metacarpals?

Answer 4

3 only

Question 5

The median nerve supplies which lumbricals?

Answer 5

The lateral pair

Question 6

The origin of the transverse head of adductor pollicis is…?

Answer 6

Metacarpal 3

Question 7

The interossei cause…?

Answer 7

Extension of IP joints and flexion of MP joints

Question 8

A patient loses feeling on their posterior hand, but can still feel their fingertips. What nerve is affected?

Answer 8

Radial nerve

Question 9

What is the common extensor origin (CEO)?

Answer 9

Medial epicondyle

Question 10

Flexor carpi radialis inserts on what metacarpals?

Answer 10

2 and 3

Question 11

Running through the carpal tunnel are the…?

Answer 11

Median nerve and deep flexors

Question 12

Flexor carpi ulnaris inserts on…?

Answer 12

Pisiform, hamate, and metacarpal 5

Question 13

The origin of the flexor digitorum superficialis includes all of…?

Answer 13

Medial epicondyle

Question 14

What is NOT a deep muscle of the forearm?

Answer 14

Palmaris longus

Question 15

Extensor carpi radialis brevis inserts onto…?

Answer 15

Metacarpal 3

Question 16

What nerve innervates the entire posterior forearm?

Answer 16

Radial nerve

Question 17

What is the order of the 3 snuff box components from lateral to medial?

Answer 17

Abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis

Question 18

What is the only arm muscle that doesn’t attach to the humerus?

Answer 18

Biceps brachii

Question 19

What is the origin of the LONG head of the bicep?

Answer 19

Supraglenoid tubercle

Question 20

What is the insertion of the brachialis?

Answer 20

Ulnar tubercle

Question 21

What is the origin of the LONG head of the triceps?

Answer 21

Infraglenoid tubercle

Question 22

What is the origin of the LATERAL head of the triceps?

Answer 22

Proximal humerus

Question 23

The coracobrachialis shares an attachment (origin or insertion) with…?

Answer 23

Short head of biceps and pectoralis minor

Question 24

In the HAND, the median nerve supplies…?

Answer 24

Thenar muscles and the lateral 2 lumbricals

Question 25

Where does the teres minor insert?

Answer 25

Inferior facet of greater tubercle

Question 26

What is the action of the supraspinatus?

Answer 26

Abduction

Question 27

The infraspinatus is mainly a…?

Answer 27

Lateral rotator

Question 28

What is the origin of the teres minor?

Answer 28

Lower lateral border of scapula

Question 29

What is the only rotator cuff muscle that inserts on the lesser tubercle?

Answer 29

Subscapularis

Question 30

Medial rotators of the arm include…?

Answer 30

Subscapularis, pectoralis minor, latissimus dorsi

Question 31

The posterior deltoid performs ______ of the arm?

Answer 31

Extension

Question 32

What is the origin of the pectoralis minor?

Answer 32

Ribs 3-5

Question 33

What is the origin of the coastal head of the pectoralis major?

Answer 33

6 upper coastal cartilages and adjoining sternum

Question 34

What is the insertion of the teres major?

Answer 34

Medial lip of bicipital groove

Question 35

Upward rotation of the glenoid fossa is done by…?

Answer 35

Upper and lower trapezius

Question 36

The rhomboids do what…?

Answer 36

1. Elevate the scapula 2. Downward rotation of glenoid fossa

Question 37

The owner trapezius fibres rotate the glenoid fossa (TRUE/FALSE)

Answer 37

False

Question 38

If the medial CORD of the brachial plexus was severed, what arm movement would be most affected?

Answer 38

Adduction and medial rotation

Question 39

What would be NOT likely detected in a patient whose median nerve was severed in the arm?

Answer 39

Paralysis of 2 major muscles in the arm that move the elbow joint

Question 40

The symptom of numbness in the palmar region often associated with carpal tunnel syndrome is caused by…?

Answer 40

Compression of the median nerve within the carpal tunnel

Question 41

The long thoracic nerve comes from…?

Answer 41

C5, C6, C7