Upper Limb Attachments

Question 1

Latissimus Dorsi

Answer 1

• lower thoracic spinous processes
• illiac crest
• floor of intertubercular sulcus of humerus

Question 2

levator scapulae

Answer 2

• transverse processes C1-4

- superomedial border of scapula

Question 3

rhomboids

Answer 3

• C7-T5 spinous processes

- medial border of scapula

Question 4

trapezius

Answer 4

• cervical and thoracic spinous processes
• clavicle
• acromion
• crest of spine of scapula

Question 5

pectoralis major

Answer 5

• clavicle
• sternum & costal cartilage
• lateral border of intertubercular sulcus of humerus

Question 6

pectoralis minor

Answer 6

• ribs 3-5

- coracoid process

Question 7

serratus anterior

Answer 7

• upper 8-10 ribs

- costal surface of the medial border of scapula

Question 8

deltoid

Answer 8

• clavicle
• acromion
• spine of scapula
• deltoid tuberosity of humerus

Question 9

supraspinatus

Answer 9

• supraspinous fossa

- superior facet of the greater tubercle of humerus

Question 10

infraspinatus

Answer 10

• infraspinous fossa

- middle facet of the greater tubercle of humerus

Question 11

teres minor

Answer 11

• lateral border of scapula

- inferior facet of the greater tubercle of the humerus

Question 12

teres major

Answer 12

• inferior angle of scapula

- medial lip of the intertubercular sulcus of humerus

Question 13

subscapularis

Answer 13

• subscapular fossa

- lesser tubercle of humerus

Question 14

anconeus

Answer 14

• lateral epicondyle of humerus

- lateral olecranon process

Question 15

biceps brachii

Answer 15

• supraglenoid tubercle
• coracoid process
• radial tuberosity (bicipital aponeurosis)

Question 16

brachialis

Answer 16

• distal anterior shaft of humerus

- coronoid process and ulnar tuberosity

Question 17

coracobrachialis

Answer 17

• coracoid process

- proximal medial shaft of humerus

Question 18

triceps brachii

Answer 18

• infraglenoid tubercle
• posterolateral and posteromedial proximal shaft of humerus
• olecranon process of ulna

Question 19

abductor pollicis longus

Answer 19

• proximal posterior radius and ulna
• base of 1st metacarpal
• trapezium

Question 20

brachioradialis

Answer 20

• lateral supracondylar ridge of humerus

- distal radius lateral to styloid process

Question 21

extensor carpi radialis brevis

Answer 21

• lateral epicondyle

- base of 3rd metacarpal

Question 22

extensor carpi radialis longus

Answer 22

• lateral supracondylar ridge of humerus

- base of 2nd metacarpal

Question 23

extensor carpi ulnaris

Answer 23

• lateral epicondyle

- base of 5th metacarpal

Question 24

extensor digitorum

Answer 24

• lateral epicondyle

- extensor expansions of digits 2-5

Question 25

extensor digiti minimi

Answer 25

- lateral epicondyle of humerus | - digital expansion of digit 5

Question 26

extensor indicis

Answer 26

- posterior ulna | - digital expansion of 2nd digit

Question 27

extensor pollicis brevis

Answer 27

- posterior radius | - base of 1st proximal phalynx

Question 28

extensor pollicis longus

Answer 28

- middle 1/3 of posterior ulna | - base of 1st distal phalynx

Question 29

flexor carpi radialis

Answer 29

- medial epicondyle of humerus | - palmar base of 2nd metacarpal

Question 30

flexor carpi ulnaris

Answer 30

- medial epicondyle of humerus - proximal ulnar shaft - pisiform

Question 31

flexor digitorum profundus

Answer 31

- anterior proximal 2/3 or ulna | - base of distal phalanges 2-5

Question 32

flexor digitorum superficialis

Answer 32

- medial epicondyle of humerus | - sides of middle phalynx of digits 2-5

Question 33

flexor pollicis longus

Answer 33

- anterior radius | - base of distal phalynx of thumb

Question 34

palmaris longus

Answer 34

- medial epicondyle of humerus | - palmar aponeurosis

Question 35

pronator quadratus

Answer 35

- distal ulna | - distal radius

Question 36

pronator teres

Answer 36

- medial epicondyle - ulnar coronoid process - lateral radius

Question 37

supinator

Answer 37

- lateral epicondyle - supinator crest of ulna - lateral surface of proximal radius

Question 38

abductor digiti minimi

Answer 38

- pisiform | - ulnar side of base of proximal phalynx of 5th digit

Question 39

abductor pollicis brevis

Answer 39

- transverse carpal ligament | - radial side of base of proximal phalynx of thumb

Question 40

adductor pollicis

Answer 40

- capitate and 2nd and 3rd metacarpals (oblique) - palmar aspect of 3rd metacarpal (transverse) - base of proximal phalynx of thumb

Question 41

dorsal interossei

Answer 41

- adjacent sides of metacarpals | - proximal phalangeal bases and digital expansions 2-4

Question 42

flexor digit minimi brevis

Answer 42

- hamate | - ulnar side of base of proximal phalynx digit 5

Question 43

flexor pollicis brevis

Answer 43

- transverse carpal ligament and trapezium | - radial side of base of proximal phalynx of thumb

Question 44

lumbricals

Answer 44

- tendons of flexor digitorum profundus | - radial side of dorsal digital expansion 2-5

Question 45

opponens digiti minimi

Answer 45

- hook of hamate | - ulnar side of shaft of 5th metacarpal

Question 46

opponens pollicis

Answer 46

- transverse carpal lig and trapezium | - palmar surface of 1st metacarpal

Question 47

palmar interossei

Answer 47

-palmar aspects of metacarpals 2,4,5 to dorsal digital expansions 2,4,5

Question 48

subclavius

Answer 48

- first rib | - underside of clavicle