Upper Limb 3 Flashcards Preview

Gross Anatomy > Upper Limb 3 > Flashcards

Flashcards in Upper Limb 3 Deck (26):
0

Muscles that extend and abduct or adduct the hand at the wrist joint:

Extensor Carpi radialis longus
Extensor Carpi Radialis brevis
Extensor Carpi ulnaris

1

Muscles that extend the medial four digits:

Extensor digitorum
Extensor indicis
Extensor digiti minimi

2

Muscles that extend or abduct the thumb:

Abductor pollicis longus (APL)
Extensor pollicis brevis (EPB)
Extensor pollicis longus (EPL)

3

Muscles that adduct and medially rotate arm

Pectoralis major
Latissimus dorsi
Teres major
Subscapularis

4

Muscles that flex arm

Biceps brachii
Coracobrachialis
Deltoid (clavicular head)

5

Muscles that laterally rotate arm

Deltoid (spinal part)
Infraspinatus
Ters minor

6

Muscles innervated by musculocutaneous nerve

Biceps brachii (C5, C6)
Brachialis (C5, C6)
Coracobrachialis (C5, C6, C7)
Skin of lateral aspect of forearm

7

What does axillary nerve innervate?

Teres minor
Deltoid
Glenohumeral joint
Skin of superolateral arm
(Over inferior part of deltoid)

9

Contents of quadrangular space

Axillary nerve
Posterior circumflex humeral artery

10

Contents of cubital fossa

Brachial artery
Biceps tendon
Median nerve
Radial nerve
Median cubital vein
Medial and lateral cutaneous nerve- in subcutaneous tissue overlying cubital fossa

11

Branches of brachial artery

Deep brachial artery
Superior ulnar collateral
Inferior ulnar collateral

12

Quadrangular space

Inferior border of teres minor
Superior border of teres major
Lateral border of long head of triceps brachii
Humerus

13

A branch of the radial nerve
Supplies the skin on the posterior surface of the arm

Posterior cutaneous nerve of the arm (C5-C8)

14

A branch of the radial nerve
Supplies the skin on the posterior surface of the forearm

Posterior cutaneous nerve of forearm (C5-C8)

15

Terminal branch of the axillary nerve
Emerges from the posterior margin of the deltoid
To supply the skin over the lower part of deltoid and on the lateral side of midarm

Superior lateral cutaneous nerve of arm (C5, C6)

16

Branch of Radial nerve
Supplies the skin over the inferolateral aspect of arm
Frequently a branch of the posterior cutaneous nerve of the forearm

Inferior lateral cutaneous nerve of arm (C5, C6)

17

Terminal branch of musculocutaneous nerve
Supplies the skin on the lateral side of the forearm

Lateral cutaneous nerve of forearm (C6, C7)

18

From the medial cord of the brachial plexus
Often uniting in the axilla with the lateral cutaneous branch of the second intercostal nerve
Supplies the skin on the medial side of arm

Medial cutaneous nerve of the arm (C8-T2)

19

From the medial cord of the brachial plexus
Supplies the skin on the anterior and medial surfaces of the forearm

Medial cutaneous nerve of forearm (C8, T1)

20

Muscles that originate from the medial epicondyle

Flexor Carpi Radialis
Palmaris longus
Pronator teres (humeral head)
Flexor digitorum superficialis (humero-ulnar head)

21

Muscles that originate at the lateral epicondyle of humerus

Extensor Carpi Radialis brevis
Extensor digitorum
Extensor digiti minimi
Extensor Carpi ulnaris
Supinator

22

Bicipitalradial bursa (biceps bursa)

Separates the biceps tendon from the anterior part of radial tuberosity

23

Subtendinous olecranon bursa

Located between the olecranon and the triceps tendon
Just proximal to its attachment to olecranon

24

Subcutaneous olecranon bursa

Located in the subcutaneous connective tissue over the olecranon

25

Muscle that is the primary producer of pronation

Pronator quadratus

26

Cervico-axillary canal

Passageway between the neck and axilla
Bounded by:
1st rub
Clavicle
Superior edge of scapula