Muscles

Question 0

Perctoralis Major

arm adduction. arm flexion @ shoulder. medial rotation @ shoulder

Answer 0

O-Clavicle, sternum, costal cartilage of ribs 1-6

I-intertubercular groove of humerus

Question 1

Coracobrachialis

Arm flex/ adduction @ shoulder

Answer 1

O- coracoid process of scapula

I- medial, shaft of humerus

Question 2

Supraspinatus (part of rotator cuff)

Arm abduction @ shoulder

Answer 2

O-supraspinous fossa of scapula

I-greater of humerus

Question 3

Infraspinatus (part of rotator cuff)

arm lateral rotation @ shoulder

Answer 3

O-infraspinous fossa of scapula

I- greater tubercle of humerus

Question 4

Teres minor (part of the rotator cuff)

arm lateral rotation @ shoulder

Answer 4

O- Posterior lateral scapula

I- greater tubercle of humerus

Question 5

Subscapularis (part of rotator cuff)

arm medial rotation @ shoulder

Answer 5

O- subscapular fossa of scapula

I- lesser tubercle of humerus

Question 6

Teres major

arm adduction. medial rotation. extension @ shoulder.

Answer 6

O- inferior angle of scapula

I- intertubercular groove of humerus

Question 7

Latissimus dorsi

arm extension. adduction. medial rotation @ shoulder.

Answer 7

O- spinous process of vertebrae T6-sacrum, iliac crest

I- Intertubercular groove of humerus

Question 8

Deltoid

arm abduction @ shoulder. arm flexion. medial rotation at shoulder. arm extension. lateral rotation @ shoulder

Answer 8

O- Clavicle acromion process, spin of scapula

I- Deltoid tuberosity of humerus

Question 9

Biceps brachii
long head
short head

forearm flexion @ elbow. arm flexion @ shoulder (long-head)
forearm/ hand supination @ radioulnar joints

Answer 9

O- supraglenoid tubercle of scapula (LH)
O- coracoid process of scapula (SH)

I- radial tuberosity of radius

Question 10

Brachialis

forearm flexion @ elbow

Answer 10

O- anterior surface of humerus

I- coronoid process of ulna

Question 11

Brachioradialis
(located forearm in posterior compartment)

forearm flexion @ elbow

Answer 11

O- Lateral supracondylar ridge of humerus

I- styloid process of radius

Question 12

Triceps brachii
long head
lateral head
short head

arm extension @ shoulder (LH). Forearm extension @ elbow

Answer 12

O- infraglenoid tubercle of scapula (LH)
O-posterior shaft of humerus (LH + MH)

I- olecranon process

Question 13

Anconeus

forearm extension @ elbow

Answer 13

O- lateral epicondyle of humerus, proximal ulna

I- Olecranon of ulna

Question 14

Supinator

forearm/ hand supination @ radioulnar joints

Answer 14

O- lateral epicondyle of humerus, proximal ulna

I- proximal shaft of radius

Question 15

Pronator teres

forearm/ hand pronation @ radioulnar joints

Answer 15

O- medial epicondyle of humerus, coronoid process of ulna

I- lateral surface of midshaft of radius

Question 16

Pronator quadratus

forearm/hand pronation @ radioulnar joints

Answer 16

O- distal ulna

I- distal radius

Question 17

Flexor carpi ulnaris

Hand flexion @ wrist. hand addiction @ wrist.

Answer 17

O- medial epicondyle of humerus, proximal posterior ulna

I- pisiform, hamate and 5th metacarpal

Question 18

Flexor carpi radialis

hand flexion, abduction @ wrist

Answer 18

O- medial epicondyle of humerus

I- 2nd & 3rd metacarpl

Question 19

Flexor digitorum superficialis

Finger flexion @ interphalangeal joints

(hand flexion @ wrist)

Answer 19

O- medial epicondyle of humerus, coronoid process of ulna, radial shaft

I- middle phalanx of each of 2-5

Question 20

flexor digitorum profundus

finger flexion @ interphalangeal joints

(hand flexion @ wrist)

Answer 20

O- proximal ulna, coronoid process of ulna, IOM

I- distal phalanx of 2-5

Question 21

Palmaris longus

hand flexion, adduction @ wrist

Answer 21

O-medial epicondyle of humerus

I- palmar aponeurosis

Question 22

Extensor carpi ulnaris

hand extension, adduction @ wrist

Answer 22

O- Lateral epicondyle of humerus, proximal posterior ulna.

I- 5th metacarpal

Question 23

Extensor digiti minimi

Little finger extension @ interphalangeal joints

Answer 23

O- Lateral epicondyle of humerus

I- Phalanges of little finger

Question 24

Extensor digitorum

finger extension @ interphalangeal joints
hand extension @ wrist

Answer 24

O- lateral epicondyle of humerus

I- Phalanges of each of 2-5 fingers

Question 25

Extensor carpi radialis (longus & brevis)

Hand extension, abduction @ wrist

Answer 25

O- lateral supracondylar ridge (longus)
O- lateral epicondyle of humerus (brevis)

I- 2nd & 3rd metacrapal