UL: Shoulder

Question 1

Dermatomes of upper limb

Answer 1

Question 2

Myotomes of the upper limb

Answer 2

Question 3

Upper limb peripheral nerves sensory territories

Answer 3

Question 4

Superficial veins of upper limb

Answer 4

Question 5

Scapula bone different parts

Answer 5

Question 6

Humerus bone different parts

Answer 6

Question 7

Structures damaged with surgical neck of humerus fractures

Answer 7

Axillary nerve

Posterior circumflex artery

Question 8

Muscles of shoulder

Answer 8

Trapezius

Deltoid

Levator scapulae

Rhomboid minor

Rhomboid major

Question 9

Origin and insertion of Trapezius

Answer 9

From:

• superior nuchal line
• occopital protuberance
• spinous processes of C8 to T12

To:

Scapular spine/acromion/clavicle

Question 10

Origin and insertion of deltoid

Answer 10

From spine of scapula, acromion, clavicle

To Deltoid tuberosity on humerus

Question 11

Origin and insertion of levator scapulae

Answer 11

From transverse processes of C1 to C4

To posterior scapula

Question 12

Origin and insertion of Rhomboid minor

Answer 12

From ligamentum nuchae/spinous process of C7 and T1

To medial scapula

Question 13

Origin and insertion of Rhomboid major

Answer 13

Spinous process of T2 to T5

To scapula

Question 14

Innervation of trapezius

Answer 14

accessory nerve

Question 15

Innervation of deltoid

Answer 15

axillary nerve

Question 16

Innervation of levator scapulae

Answer 16

C3, C4

Question 17

Innervation of Rhomboid muscles

Answer 17

Dorsal scapular nerve

Question 18

Action of Trapezius, levator scapulae, rhomboids

Answer 18

Elavation of scapula

Question 19

Action of Deltoid

Answer 19

Abducts shoulder between 15 and 90 degrees

Question 20

Muscles of posterior scapular region

Answer 20

Supraspintus

Infraspinatus

Teres minor

Teres major

Question 21

Origin and insertion of supraspinatous

Answer 21

Supraspinous fossa to greater tubercle

Question 22

Origin and insertion of Infraspinatous

Answer 22

Infraspinous fossa to great tubercle of humerus

Question 23

Origin and insertion of Teres minor

Answer 23

Lateral border of scapula to greater tubercle of humerus

Question 24

Origin and insertion of teres major

Answer 24

Inferior posterior scapula to intertubercular sulcus (anterior humerus)

Question 25

Innervation of supraspinatous

Answer 25

Suprascapular nerve

Question 26

Innervation of infraspinatous

Answer 26

Suprascapular nerve

Question 27

Innervation of teres minor

Answer 27

Axillary nerve

Question 28

Innervation of teres major

Answer 28

Inferior subscapular nerve

Question 29

Action of supraspinatous

Answer 29

Abduction from 0 to 15 degrees

Question 30

Action of infraspinatous

Answer 30

Lateral rotation of arm

Question 31

Action of teres minor

Answer 31

Lateral rotation of arm

Question 32

Action of teres major

Answer 32

Medial rotation of arm

Question 33

Quadrangular space borders

Answer 33

Teres minor

Teres Major

Humerus

Triceps

Question 34

Quadrangular space content

Answer 34

Axillary nerve

Posterior cicumflex humeral artery

Question 35

Lower triangular space content

Answer 35

Radial nerve

Profunda brachii vessels

Question 36

Upper triangular space content

Answer 36

Circumflex scapular artery

Question 37

Suprascapular foramen content

Answer 37

Through: Suprascapular nerve

Over: Suprascapular artery and vein

Question 38

Blood vessels of shoulder

Answer 38

Question 39

Actions of scapula

Answer 39

Note:

Protraction: bringing shoulders forward

Retraction: bringing shoulders backwards

Question 40

Action of serratus anterior

Answer 40

Protracts scapula, holding it close against the rib cage

Question 41

Muscle internally rotating shoulder

Answer 41

Subscapularis

Question 42

Shoulder abduction range and muscle responsible

Answer 42

First 15 degrees: supraspinatous

15 to 90: deltoid

More than 90: trapezius/serratous anterior