Shoulder, Scapular, Pectoral Region

Question 1

Innervation of pectoralis major

Answer 1

Lateral and medial pectoral nerves

Question 2

Proximal attachment of pectoralis major

Answer 2

Medial 1/2 of clavicle; sternum; costal cartilage

Question 3

Distal attachment of pectoralis major

Answer 3

Intertubercular sulcus of humerus

Question 4

Innervation of pectoralis minor

Answer 4

Medial pectoral nerve

Question 5

Proximal attachment of pectoralis minor

Answer 5

3rd-5th ribs near costal cartilage

Question 6

Distal attachment of pectoralis minor

Answer 6

Medial border and superior surface of the coracoid process

Question 7

Blood supply to pectoralis major

Answer 7

Pectoral branch of thoracoacromial trunk

Question 8

Blood supply to pectoralis minor

Answer 8

Pectoral branch of thoracoacromial trunk

Question 9

Innervation of subclavius

Answer 9

Nerve to subclavius

Question 10

Proximal attachment of subclavius

Answer 10

1st rib

Question 11

Distal attachment of subclavius

Answer 11

Middle 1/3 clavicle

Question 12

Blood supply to subclavius

Answer 12

Clavicular branch of thoracoacromial trunk

Question 13

Inneration of serratus anterior

Answer 13

Long thoracic nerve

Question 14

Blood supply to serratus anterior

Answer 14

Lateral thoracic artery

Question 15

Proximal attachment of serratus anterior

Answer 15

External surfaces of lateral parts of 1st-8th ribs

Question 16

Distal attachment of serratus anterior

Answer 16

Anterior surface of medial border of scapula

Question 17

Trapezius innervation

Answer 17

CN XI (spinal accessory)- motor
C3,4- sensory

Question 18

Trapezius blood supply

Answer 18

Superficial branch of transverse cervical artery

Question 19

Proximal attachement of trapezius

Answer 19

Middle 1/3 Superior nuchal line, external occipital protuberance, nuchal ligament, spinous process of C7-T12

Question 20

Distal attachment of trapezius

Answer 20

Lateral 1/3 clavicle; acromion and spine of scapula

Question 21

Innervation of latissimus dorsi

Answer 21

Thoracodorsal nerve

Question 22

Blood supply to latissimus dorsi

Answer 22

Thoracodorsal artery

Question 23

Proximal attachment of latissimus dorsi

Answer 23

Spinous process T7-T12; iliac crest; thoracolumbar fascia; ribs 9-12

Question 24

Distal attachment of latissimus dorsi

Answer 24

Floor of intertubercular sulcus of humerus

Question 25

Levator scapulae innervation

Answer 25

Dorsal scapular nerve and cervical spinal nerves

Question 26

Proximal attachment of levator scapulae

Answer 26

Posterior tubercles of transverse processes C1-C4

Question 27

Distal attachment of levator scapulae

Answer 27

Superior angle and medial border of scapula

Question 28

Blood supply to levator scapulae

Answer 28

Dorsal scapular artery

Question 29

Innervation of rhomboid major

Answer 29

Dorsal scapular nerve

Question 30

Proximal attachment of rhomboid major

Answer 30

Spinous processes of T2-T5

Question 31

Distal attachment of rhomboid major

Answer 31

Medial border of scapula inferior to spine

Question 32

Blood supply to rhomboid major

Answer 32

Dorsal scapular artery

Question 33

Innervation of rhomboid minor

Answer 33

Dorsal scapular nerve

Question 34

Blood supply to rhomboid minor

Answer 34

Dorsal scapular artery

Question 35

Proximal attachment of rhomboid minor

Answer 35

Nuchal ligament; spinous processes C7-T1

Question 36

Distal attachment of rhomboid minor

Answer 36

Medial border of scapula superior to spine

Question 37

Innervation of deltoid

Answer 37

Axillary nerve

Question 38

Proximal attachment of deltoid

Answer 38

Inferior region of scapular spine and acromion, lateral 1/3 of clavicle

Question 39

Distal attachment of deltoid

Answer 39

Deltoid tuberosity in intertubucular sulcus of humerus

Question 40

Innervation of teres major

Answer 40

Lower subscapular nerve

Question 41

Proximal attachment of teres major

Answer 41

Posterior surface of inferior angle of scapula

Question 42

Distal attachment of teres major

Answer 42

Medial lip of intertubercular sulcus of humerus

Question 43

Blood supply to teres major

Answer 43

Thoracodorsal artery

Question 44

Innervation of teres minor

Answer 44

Axillary nerve

Question 45

Proximal attachment of teres minor

Answer 45

Lateral border of scapular (middle)

Question 46

Distal attachment of teres minor

Answer 46

Inferior facet of grater tubercle of humerus

Question 47

Blood supply to teres minor

Answer 47

Circumflex scapular artery

Question 48

Supraspinatus innervation

Answer 48

Suprascapular nerve

Question 49

Blood supply to supraspinatus

Answer 49

Suprascapular artery

Question 50

Proximal attachment of supraspinatus

Answer 50

Supraspinous fossa of scapula

Question 51

Distal attachment of supraspinatus

Answer 51

Superior facet of greater tubercle of humerus

Question 52

Infraspinatus innervation

Answer 52

Suprascapular nerve

Question 53

Blood supply to infraspinatus

Answer 53

Subscapular artery

Question 54

Proximal attachment of infraspinatus

Answer 54

Infraspinous fossa of scapula

Question 55

Distal attachment of infraspinatus

Answer 55

Middle facet of greater tubercle

Question 56

Innervation of subscapularis

Answer 56

Superior and inferior subscapular nerves

Question 57

Blood supply to subscapularis

Answer 57

Subscapular artery

Question 58

Proximal attachment of subscapularis

Answer 58

Subscapular fossa of scapula

Question 59

Distal attachment of subscapularis

Answer 59

Lesser tubercle of humerus