Week 4 and 5: Scapula and Shoulder

Question 1

Origin of Serratus Anterior?

Answer 1

Ribs 1-9

Question 2

Insertion of Serratus Anterior?

Answer 2

Medial border of the scapular on the anterior side

Question 3

Innervation of Serratus Anterior?

Answer 3

Long Thoracic Nerve (C5-C7)

Question 4

Actions (2) of Serratus Anterior?

Answer 4

1. Upward rotation of the scapula

2. Protraction

Question 5

The long thoracic nerve innervates which muscle?

Answer 5

Serratus Anterior

Question 6

Origins (4) of the Upper Trapezius?

Answer 6

1. external occipital protuberance
2. medial 1/3 nuchal line (superior) of the occipit
3. nuchal ligament
4. SPINOUS process of C7

Question 7

Insertion (2) of the Upper Trapezius?

Answer 7

1. Lateral 1/3 of the clavicle

2. Acromion process of the scapula

Question 8

Actions (3) of the Upper Trapezius?

Answer 8

1. Elevation
2. Upward rotation
3. Retractions

Question 9

Innervations (2; 1 sensory, 1 motor) of the Upper Trapezius?

Answer 9

Motor: spinal accessory nerve XI
Sensory: C3 and C4

Question 10

Origin (1) of Middle Trapezius?

Answer 10

Spinous Process of T1-T5

Question 11

Insertions (2) of Middle Trapezius?

Answer 11

1. Spine of scapula

2. Acromion process of the Scapula

Question 12

Innervation of Middle Trapezius (2)

Answer 12

Sensory: C3 and C4
Motor: Spinal Accessory Nerve

Question 13

Actions (2) of Middle Trapezius?

Answer 13

1. Retraction

2. Upward Rotation

Question 14

Origin (1) of Lower Trapezius?

Answer 14

Spinous process of T6-T12

Question 15

Insertion (1) of Lower Trapezius?

Answer 15

Middle portion of the spine of the scapula

Question 16

Actions (2) of the Upper Trapezius?

Answer 16

1. Depression

2. Retraction

Question 17

Innervation (2) of Lower Trapezius

Answer 17

Motor- Spinal accessory

Sensory- C3 and C4

Question 18

Origin (1) of Rhomboids?

Answer 18

Spinous Process of C7-T5

Question 19

Insertion (1) of Rhomboids?

Answer 19

Medial border of the scapula from the root of the spine to the inferior angle

Question 20

Actions (2) of Rhomboids?

Answer 20

1. Retraction

2. Downward Rotation

Question 21

Innervation (1) of Rhomboids?

Answer 21

Dorsal Scapular Nerve (C5)

Question 22

Origins (3) of Pectoralis Major?

Answer 22

1. Clavicle
2. Sternum
3. Costal cartilage of ribs 1-7

Question 23

Insertion (1) of Pectoralis Major?

Answer 23

Bicipital Groove on the humerus

Question 24

Innervation (2) of Pectoralis Major?

Answer 24

1. Medial Pectoral N.

2. Lateral Pectoral N.

Question 25

Actions (1) of the Pectoralis Major?

Answer 25

1. Horizontal Adduction of the arm

Question 26

Origin (1) of Levator Scapulae?

Answer 26

Transverse process of C1-C4

Question 27

Insertion (2) of Levator Scapulae?

Answer 27

1. medial border of the scapula between the superior angle and 2. the spine

Question 28

Innervation (1) of Levator Scapulae?

Answer 28

Dorsal Scapular N.

Question 29

Origin (1) of Pectoralis Minor?

Answer 29

Coracoid process of the scapula

Question 30

Insertion (1) of Pectoralis Minor

Answer 30

ribs 3-5

Question 31

Innervation (2) of Pectoralis Minor

Answer 31

Medial pectoral N. | Lateral pectoral N.

Question 32

Origin (1) of Teres Minor

Answer 32

Lateral border of the scapula

Question 33

Insertion (1) of Teres Minor

Answer 33

Greater Tubercle of the humerus

Question 34

Innervation (1) of Teres Minor

Answer 34

Axillary N.

Question 35

Origin (1) of Subscapularis?

Answer 35

Subscapular fossa

Question 36

Insertion (1) of Subscapularis?

Answer 36

Lesser tubercle of the humerus

Question 37

Innervation (2) of Subscapularis?

Answer 37

Upper subscapular N. | Lower subscapular N.

Question 38

Origin (3) of the Deltoid?

Answer 38

Acromion Spine Clavicle

Question 39

Insertion (1) of the Deltoid?

Answer 39

Deltoid Tuberosity

Question 40

Innervation (1) of the Deltoid?

Answer 40

Axillary N.

Question 41

Origin (1) of the Infraspinatus?

Answer 41

Infraspinatus Fossa

Question 42

Insertion (1) of the Infraspinatus?

Answer 42

Greater tubercle of the humerus

Question 43

Innervation (1) of Infraspinatus?

Answer 43

Suprascapular N.

Question 44

Origin (1) of Teres Major?

Answer 44

Lateral/Inferior border of the scapula

Question 45

Insertion (1) of Teres Major?

Answer 45

Bicipital Groove of the humerus

Question 46

Innervation (1) of Teres Major?

Answer 46

Lower Subscapular N.

Question 47

Origin (3) of Latissmus Dorsi?

Answer 47

Spinous process of T7-L5 sacrum illiac crest via thoracodorsal fascia

Question 48

Insertion (1) of Latissmus Dorsi?

Answer 48

Bicipital Groove of the humerus

Question 49

Innervation (1) of Latissmus Dorsi?

Answer 49

Thoracodorsal N.

Question 50

Origin (1) of Supraspinatus?

Answer 50

supraspinatus fossa

Question 51

Insertion (1) of Supraspinatus?

Answer 51

Greater tubercle of the humerus

Question 52

Innervation (1) of Supraspinatus?

Answer 52

Suprascapular N.

Question 53

Origin (1) of Coricobrachialis?

Answer 53

Coracoid process of the scapula

Question 54

Insertion (1) of Coricobrachialis?

Answer 54

Medial shaft of the humerus

Question 55

Innervation (1) of Coricobrachialis?

Answer 55

Musculocutaneous N.

Question 56

Action (1) of Infraspinatus?

Answer 56

External Rotation

Question 57

Action (1) of subscapularis?

Answer 57

Internal Rotation

Question 58

Actions (3) of deltoid?

Answer 58

Anterior: flexion Middle: Abduction Posterior: Horizontal Abduction

Question 59

Action (1) of Latissumus Dorsi?

Answer 59

Shoulder extension