Muscles of the Arm

Question 1

ATTACHMENTS for anconeus

Answer 1

lateral epicondyle of humerus to the lateral surface of the olecranon process

Question 2

segmental innervation of anconeus

Answer 2

C7-C8

Question 3

ACTIONS for anconeus

Answer 3

extension of the elbow

Question 4

innervations for the anconeus

Answer 4

radial nerve

Question 5

ATTACHMENTS for biceps brachii

Answer 5

(short head) from coracoid process and (long head) supraglenoid tubercle of the scapula to the radial tuberosity & deep antebrachial fascia

Question 6

segmental innervation of biceps brachii

Answer 6

C5-C6

Question 7

INNERVATIONS of biceps brachii

Answer 7

musculocutaneous nerve

Question 8

ACTIONS of biceps brachii

Answer 8

flexion of elbow & shoulder, supination of forearm

Question 9

ATTACHMENTS of brachialis

Answer 9

distal anterior shaft of the humerus, lateral & medial inter muscular septa, to the coronoid process & ulnar tuberosity

Question 10

segmental innervation of brachialis

Answer 10

C5-C6

Question 11

INNERVATION of brachialis

Answer 11

musculocutaneous nerve & small branch of radial nerve

Question 12

ACTIONS of brachialis

Answer 12

elbow flexion

Question 13

ATTACHMENTS of coracobrachialis

Answer 13

from coracoid process to proximal medial shaft of humerus

Question 14

segmental innervation of coracobrachialis

Answer 14

C6-C7

Question 15

INNERVATION of coracobrachialis

Answer 15

musculocutaneous nerve

Question 16

ACTIONS of the coracobrachialis

Answer 16

flexion & adduction of shoulder

Question 17

ATTACHMENTS of triceps brachii

Answer 17

(long head) from infraglenoid tubercle of scapula
(medial head) distal posteriomedial shaft of humerus
(lateral head)
proximal posteriolateral shaft of humerus
to the olecranon process of the ulna

Question 18

segmental innervation of the triceps brachii

Answer 18

C6-T1

Question 19

INNERVATIONS of triceps brachii

Answer 19

radial nerve

Question 20

ACTIONS of triceps brachii

Answer 20

extends elbow & shoulder