upper limb

Question 1

triceps brachi ?o

Answer 1

Origin: Long head: infraglenoid tubercle of scapula; Lateral head: posterior surface of humerus, superior to radial groove; Medial head: posterior surface of humerus, inferior to radial groove

Question 2

musculocutaneous nerve sensory function

Answer 2

gives rise to the lateral cutaneous nerve of the forearm which innervates the lateral surface of the forearm

Question 4

clavipectoral fascia is pierced by

Answer 4

acromiothoracic trunk cephalic vein lateral pectoral nerve lymphatics

Question 5

origin / termination of axillary artery

Answer 5

originates as continuation of subclavian artery as passes under the mid point of the clavicle on the outer edge of the first rib terminates as the brachial artery at the border of teres major

Question 6

biceps brachii i?

Answer 6

Insertion: Tuberosity of radius and fascia of forearm via bicipital aponeurosis

Question 7

pect major o/i/n/a

Answer 7

o:clavicular head, ant border of the medial half of the clavicle, sternocostal head, ant sternum, superior six costal cartilages and the aponeurosis of the external oblique muscle i:lateral lip of the bicipital groove of the humerus n:lateral and medial pectoral nerves, c5-t1 a:flex and extend the humerus

Question 8

Biceps Brachii - o

Answer 8

Origin: Short head: tip of coracoid process of scapula; Long head: supraglenoid tubercle of scapula

Question 9

biceps brachii ?n

Answer 9

Innervation: Musculocutaneous nerve (C5 and C6 )

Question 10

radial nerve motor function

Answer 10

innervates triceps, majority of extensor muscles in forearm

Question 11

supinator ?arterial

Answer 11

Arterial Supply: Recurrent interosseous artery

Question 12

triceps brachii ?i

Answer 12

Insertion: Proximal end of olecranon process of ulna and fascia of forearm

Question 13

radial nerve sensory function

Answer 13

posterior forearm, dorsal surface of lateral side of palm, lateral 3,5 digits

Question 14

nerve supply to suppinator

Answer 14

pin

Question 15

supinator ?i

Answer 15

Insertion: Lateral, posterior and anterior surfaces of proximal 1/3 of radius

Question 16

pect minor o/i/n/a

Answer 16

o:3rd-5th costal cartilages i:medial border of coracoid process of the scapula n:medial pectoral n, c8/t1 a:stabilizes scapula, raises ribs on inspiration

Question 17

triceps brachii ?action

Answer 17

Action: Chief extensor of forearm; long head steadies head of abducted humerus

Question 18

biceps brachii ?a

Answer 18

Action: Supinates forearm and, when it is supine, flexes forearm

Question 19

supinator ?o

Answer 19

Origin: Lateral epicondyle of humerus, radial collateral and annular ligaments, supinator fossa and crest of ulna

Question 20

biceps brachii ?arterial supply

Answer 20

Arterial Supply: Muscular branches of brachial artery

Question 21

supinator ?nerve

Answer 21

Innervation: Deep branch of radial nerve (C5 and C6)

Question 22

triceps brachii ?nerve

Answer 22

Innervation: Radial nerve (C6, C7 and C8)

Question 23

musculocutaneous nerve motor function

Answer 23

anterior compartment of the arm, coracobrachialis, biceps brachii and brachialis