Upper Limb Overview

Question 1

What is the only bone to bone joint that connects the upper limb to the axial skeleton?

Answer 1

Sternoclavicular

Question 2

The shoulder joint called the _______ joint is _______ than the hip

Answer 2

glenohumoral

shallower

Question 3

The ulna articulates with __1____ and the radius with the ___2_______

Answer 3

1) trochlea

2) capitulum

Question 4

What are the only two carpal bones that articulate with the radius?

Answer 4

scaphoid and lunate

Question 5

___1____ moves over the ____2____ during pronation

Answer 5

1) radius

2) ulna

Question 6

What is the carrying angle?

Answer 6

Intersection of upper arm and forearm when carrying something- elbows stick out slightly to create this angel which stops you hitting pelvis when moving arms when walking.

Question 7

How is thumb movement different from movement of other fingers?

Answer 7

Thumb has ninety degree rotation so flexion is almost out to the side whereas flexing fingers moves them down

Question 8

What joint is really easily dislocated in kids?

Answer 8

Elbow

Question 9

Axio appendicular muscles?

Answer 9

Trapezius, latissimus dorsi, rhomboid minor and major, serratus anterior, pectoralis major and minor

Question 10

Scapula region muscles?

Answer 10

Levator scapulae, rotator cuff muscles.

Question 11

4 rotator cuff muscles?

Answer 11

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

Question 12

What rotator cuff muscles attach to the greater tuberosity?

Answer 12

Supraspinatus
Infraspinatus
Teres minor

Question 13

What rotator cuff muscle attaches to the lesser tuberosity?

Answer 13

Subscapularis

Question 14

Anterior arm compartment muscles?

Answer 14

Biceps brachii
Brachialis
Coracobrachialis

Question 15

Innervation of anterior compartment of the arm?

Answer 15

Musculocutaneous n.

Question 16

Action of anterior compartment of the arm?

Answer 16

Flexion of arm and forearm

Question 17

Posterior compartment of the arm muscle?

Answer 17

Triceps brachii

Question 18

Innervation of posterior compartment of the arm?

Answer 18

Radial nerve

Question 19

Action of posterior compartment of the arm?

Answer 19

Extension of arm and forearm

Question 20

Forearm anterior compartment superficial layer?

Answer 20

Pronator teres, flexor carpi radialis, palmaris longus, flexor carpi lunaris

Question 21

Forearm anterior compartment intermediate layer?

Answer 21

flexor digitorium superficialis

Question 22

Forearm anterior compartment deep layer?

Answer 22

flexor pollucis longus, pronator quadratus, flexor digitorum profundus

Question 23

Innervation of anterior compartment of the forearm?

Answer 23

All Median nerve, except flexor carpi ulnaris and medial half of flexor digitorum profundus (Ulnar nerve)

Question 24

Action of anterior compartment of the forearm?

Answer 24

Flexion of the wrist and digits, pronation, abduction and adduction of the wrist.

Question 25

Forearm posterior compartment of forearm superficial layer?

Answer 25

``` BRACHIORADIALIS EXTENSOR CARPI RADIALIS LONGUS EXTENSOR CARPI RADIALIS BREVIS ANCONEUS EXTENSOR DIGITORUM EXTENSOR CARPI ULNARIS EXTENSOR DIGITI MINIMI ```

Question 26

Forearm posterior compartment of forearm deep layer?

Answer 26

``` Supinator Extensor pollucis brevis Extensor pollucis longus Abductor pollucis longus Extensor Indicis ```

Question 27

Innervation of the posterior compartment of the forearm?

Answer 27

All radial nerve

Question 28

Action of posterior compartment of the forearm

Answer 28

Extension of the wrist and digits, supination, abduction and adduction of the wrist.

Question 29

What is the thenar eminence?

Answer 29

group of muscles on the palm of the human hand at the base of the thumb

Question 30

What is the hypothenar eminence?

Answer 30

group of intrinsic hand muscles

Question 31

Muscles of thenar eminence?

Answer 31

Abductor pollicis brevis Flexor pollicis brevis Opponens pollicis

Question 32

Muscles of the hypothenar eminence?

Answer 32

Abductor digiti minimi Flexor digiti minimi brevis Opponens digiti minimi

Question 33

Innervation of the thenar eminence?

Answer 33

Recurrent branch of the median nerve

Question 34

Innervation of the hypothenar eminence?

Answer 34

Deep branch of the ulnar nerve

Question 35

Muscles in the fingers?

Answer 35

Lumbricals, dorsal and palmar Interossei

Question 36

Where does the brachial plexus originate from?

Answer 36

C5-T1