Gross Exam 2

Front 1

Rotator cuff muscles

Back 1

Supraspinatus, infraspinatus, teres minor, and subscapularis

Hint 1

4

Front 2

Medial attachment(s) of supraspinatus

Back 2

Supraspinous fossa

Front 3

Lateral attachment(s) of supraspinatus

Back 3

Proximal humerus

Front 4

Action(s) of supraspinatus

Back 4

1) Initiates upper limb abduction

2) stabilizes head of humerus (as part of rotator cuff)

Hint 4

2

Front 5

Innervation of supraspinatus

Back 5

Suprascapular n.

Front 6

Blood supply of supraspinatus

Back 6

Suprascapular a.

Front 7

Medial attachment(s) of infraspinatus

Back 7

Infraspinous fossa

Front 8

Lateral attachment(s) of infraspinatus

Back 8

Proximal humerus

Front 9

Action(s) of infraspinatus

Back 9

1) Laterally rotates humerus

2) stabilizes head of humerus (as part of humerus)

Hint 9

2

Front 10

Innervation of infraspinatus

Back 10

Suprascapular n.

Front 11

Blood supply of infraspinatus

Back 11

Suprascapular a.

Front 12

Medial attachment(s) of teres minor

Back 12

Lateral border of scapula

Front 13

Lateral attachment(s) of teres minor

Back 13

Proximal humerus

Front 14

Action(s) of teres minor

Back 14

1) laterally rotates humerus

2) stabilizes head of humerus (as part of rotator cuff)

Hint 14

2

Front 15

Innervation of teres minor

Back 15

Axillary n.

Front 16

Blood supply of teres minor

Back 16

Suprascapular a.

Front 17

Medial attachment(s) of subscapularis

Back 17

Subscapular fossa

Front 18

Lateral attachment(s) of subscapularis

Back 18

Proximal humerus

Front 19

Action(s) of subscapularis

Back 19

1) medially rotates humerus

2) stabilizes head of humerus (as part of rotator cuff)

Hint 19

2

Front 20

Innervation of subscapularis

Back 20

Upper and lower subscapular nerves

Front 21

Blood supply of subscapularis

Back 21

Subscapular a.

Front 22

Medial attachment(s) of teres major

Back 22

Inferior angle of scapula

Front 23

Lateral attachment(s) of teres major

Back 23

Proximal humerus

Front 24

Action(s) of teres major

Back 24

Medially rotates humerus

Front 25

Innervation of teres major

Back 25

Lower subscapular n.

Front 26

Blood supply of teres major

Back 26

Suprascapular a.

Front 27

Medial attachment(s) of triceps brachii

Back 27

Long head=

Lateral head=

Hint 27

2

Front 28

Lateral attachment(s) of triceps brachii

Back 28

Olecranon process

Front 29

Innervation of triceps brachii

Back 29

Radial n.

Front 30

Blood supply of triceps brachii

Back 30

Deep brachial a.

Front 31

Inferior attachment(s) of rectus capitis posterior minor

Back 31

Posterior tubercle of C1 (inferior)

Front 32

Superior attachment(s) of rectus capitis posterior minor

Back 32

Medial inferior nuchal line

Front 33

Action(s) of rectus capitis posterior minor

Back 33

Extends head

Front 34

Innervation of rectus capitis posterior minor

Back 34

Posterior ramus C1

Front 35

Blood supply of rectus capitis posterior minor

Back 35

1) Vertebral a.

2) Deep descending branch of occipital a.

Hint 35

2

Front 36

Medial attachment(s) of rectus capitis posterior major

Back 36

SP C2

Front 37

Lateral attachment(s) of rectus capitis posterior major

Back 37

Lateral inferior nuchal line

Front 38

Action(s) of rectus capitis posterior major

Back 38

1) Extends head

2) Rotates face to ipsilateral side

Hint 38

2

Front 39

Innervation of rectus capitis posterior major

Back 39

Posterior ramus C1

Front 40

Blood supply of rectus capitis posterior major

Back 40

1) Vertebral a.

2) Deep descending branch of occipital a.

Hint 40

2

Front 41

Medial attachment(s) of obliquus capitis superior

Back 41

TP C1

Front 42

Lateral attachment(s) of obliquus capitis superior

Back 42

Lateral, between superior and inferior nuchal lines

Front 43

Action(s) of obliquus capitis superior

Back 43

Extends head

Front 44

Innervation of obliquus capitis superior

Back 44

Posterior ramus C1

Front 45

Blood supply of obliquus capitis superior

Back 45

1) Vertebral a.

2) Deep descending branch of occipital a.

Front 46

Medial attachment(s) of obliquus capitis inferior

Back 46

SP C2

Front 47

Lateral attachment(s) of obliquus capitis inferior

Back 47

TP C1

Front 48

Action(s) of obliquus capitis inferior

Back 48

Rotates face to ipsilateral side

Front 49

Innervation of obliquus capitis inferior

Back 49

Posterior ramus C1

Front 50

Blood supply of obliquus capitis inferior

Back 50

1) Vertebral a.

2) Deep descending branch of occipital a.

Hint 50

2

Front 51

Medial attachment(s) of pectoralis major

Back 51

1) sternum

2) costal cartilages

3) medial half of clavicle

Hint 51

3

Front 52

Lateral attachment(s) of pectoralis major

Back 52

Intertubercular sulcus of humerus

Front 53

Action(s) of pectoralis major

Back 53

1) medially rotates humerus

2) flexes humerus

3) adducts humerus

Hint 53

3

Front 54

Innervation of pectoralis major

Back 54

Medial and lateral pectoral nerves

Front 55

Blood supply of pectoralis major

Back 55

Pectoral branch (of thoracoacromial artery --> just for clarification)

Front 56

Medial attachment(s) of pectoralis minor

Back 56

Ribs 3-5

Front 57

Lateral attachment(s) of pectoralis minor

Back 57

Coracoid process

Front 58

Action(s) of pectoralis minor

Back 58

1) anteriorly tilts scapula

2) depresses scapula

3) elevates ribs when scapula is fixed

Hint 58

3

Front 59

Innervation of pectoralis minor

Back 59

Medial pectoral n.

Front 60

Blood supply of pectoralis minor

Back 60

Pectoral branch

Front 61

Medial attachment(s) of subclavius

Back 61

Rib 1

Front 62

Lateral attachment(s) of subclavius

Back 62

Clavicle

Front 63

Action(s) of subclavius

Back 63

1) depresses clavicle

2) stabilizes sternoclavicular joint

Front 64

Innervation of subclavius

Back 64

Nerve to subclavius

Front 65

Blood supply of subclavius

Back 65

Clavicular branch