L2

Question 1

What is the site of attachment of the nuchal ligament?

Answer 1

External occipital protuberance and nuchal groove

Question 2

What is the nape of the neck formed by?

Answer 2

The upper border of trapezius

Question 3

What spinous process is the superior angle of the scapula opposite to ?

Answer 3

T2 spinous process

Question 4

What spinous process is the spine of the scapula
normally at?

Answer 4

The level of T3 spine

Question 5

What spinous process is the inferior angle opposite?

Answer 5

T7 to T8

Question 6

What are the four muscles passing from the trunk or axial skeleton to scapula?

Answer 6

Trapezius, rhomboids and levator scapulae

Question 7

Name one muscle passing directly to the humerus, with a minor attachment to the scapula

Answer 7

Latissimus dorsi

Question 8

What are the only two scapular region muscles that are not supplied by branches of the brachial plexus?

Answer 8

Levator scapulae and trapezius

Question 9

Name a powerful adductor of the humerus that works with pectoralis major in power adduction of humerus or raising the trunk as in climbing if humerus fixed.

Answer 9

Latissimus dorsi

Question 10

Deltoid origin

Answer 10

Lateral third of clavicle, acromion, spine of scapula

Question 11

Deltoid insertion

Answer 11

Deltoid tuberosity of humerus

Question 12

Deltoid innervation

Answer 12

Axillary nerve

Question 13

Deltoid blood supply

Answer 13

Posterior circumflex humeral artery, deltoid branch of thoracoacromial artery

Question 14

Deltoid actions

Answer 14

shoulder abduction, flexion and extension

Question 15

Trapezius origin

Answer 15

External occipital protuberance and superior nuchal line of the back of the skull – ligamentum nuchae – spine processes of all
thoracic vertebra T1 to T12

Question 16

Trapezius insertion

Answer 16

upper - clavicle and acromion of scapula;
middle - spine of scapula;
lower - base of the spine of scapula

Question 17

Trapezius blood supply

Answer 17

• The transverse cervical artery
• The dorsal scapular artery,
• The posterior intercostal arterial branches.

Question 18

Trapezius innervation

Answer 18

Spinal part of the accessory nerve

Question 19

Trapezius actions

Answer 19

Elevates, retracts, rotates the scapula

Question 20

Latissimus dorsi origin

Answer 20

T7 to L5 spinous processes – thoracolumbar fascia –
posterior superior iliac spine and posterior iliac crest

Question 21

Latissimus dorsi insertion

Answer 21

The floor of the intertubercular groove of the humerus

Question 22

Latissimus dorsi blood supply

Answer 22

Thoracodorsal artery

Question 23

Latissimus dorsi innervation

Answer 23

Thoracodorsal nerve

Question 24

Latissimus dorsi actions

Answer 24

Adducts and medially rotates the humerus – raises the trunk – powerful extensor of the humerus from the flexed position

Question 25

Rhomboid major and minor origin

Answer 25

Spines of upper six thoracic vertebra

Question 26

Rhomboid major and minor insertion

Answer 26

Dorsal surface of medial border of scapula rhomboid minor above and major below

Question 27

Rhomboid major and minor actions

Answer 27

Elevates / retracts the scapula

Question 28

Rhomboid major and minor nerve supply

Answer 28

Dorsal scapular nerve

Question 29

Rhomboid major and minor blood supply

Answer 29

Dorsal scapular artery

Question 30

Levator scapulae origin

Answer 30

3 to 4 slips passing from transverse tubercles C1-C4

Question 31

Levator scapulae insertion

Answer 31

Superior angle of scapula

Question 32

Levator scapulae innervation

Answer 32

Direct branches from cervical plexus C3, C4

Question 33

Levator scapulae actions

Answer 33

Elevates the scapula

Question 34

Levator scapulae blood supply

Answer 34

Dorsal scapular artery

Question 35

Teres major origin

Answer 35

Inferior angle dorsal surface of scapula

Question 36

Teres major insertion

Answer 36

Medial lip intertubercular groove humerus

Question 37

Teres major innervation

Answer 37

Lower subscapular nerve C6, C7

Question 38

Teres major blood supply

Answer 38

Subscapular and circumflex scapular arteries

Question 39

Teres major actions

Answer 39

Adduction & medial rotation of the humerus

Question 40

Teres minor origin

Answer 40

Lateral border of the scapula

Question 41

Teres minor innervation

Answer 41

Axillary nerve

Question 42

Teres minor insertion

Answer 42

Inferior facet of greater tubercle of the humerus

Question 43

Teres minor blood supply

Answer 43

Subscapular and circumflex scapular artery

Question 44

Teres minor actions

Answer 44

Adduction and lateral rotation of humerus

Question 45

Supraspinatus origin

Answer 45

Supraspinous fossa scapula

Question 46

Supraspinatus insertion

Answer 46

Upper facet greater tubercle of humerus

Question 47

Supraspinatus innervation

Answer 47

Suprascapular nerve (upper trunk)

Question 48

Supraspinatus blood supply

Answer 48

Suprascapular artery

Question 49

Supraspinatus actions

Answer 49

Initiation of abduction + part of ‘rotator cuff’

Question 50

Infraspinatus origin

Answer 50

Infraspinous fossa

Question 51

Infraspinatus insertion

Answer 51

Middle facet greater tubercle of humerus

Question 52

Infraspinatus blood supply

Answer 52

• Suprascapular
• Circumflex scapular arteries.

Question 53

Infraspinatus innervation

Answer 53

Suprascapular nerve (upper trunk BP)

Question 54

Infraspinatus actions

Answer 54

Lateral rotation of arm, + part of ‘rotator cuff’ group

Question 55

Subscapularis origin

Answer 55

Subscapular fossa

Question 56

Subscapularis insertion

Answer 56

Lesser tubercle of Humerus

Question 57

Subscapularis innervation

Answer 57

Upper & lower subscapular nerves C5, C6, C7

Question 58

Subscapularis blood supply

Answer 58

• Subscapular
• Suprascapular
• Circumflex scapular arteries

Question 59

Subscapularis actions

Answer 59

Medial rotation & adduction of humerus / + part of ‘rotator cuff’