Upper Limb

Front 1

What is the cutaneous innervation of the segment highlighted in dark blue?

Back 1

Suprascapular nerve

Front 2

What is the cutaneous innervation of the segment highlighted in tan (superiorly)?

Back 2

Suprascapular nerve

Front 3

What is the cutaneous innervation of the segment highlighted in dark purple?

Back 3

Axillary nerve

Front 4

What is the cutaneous innervation of the segment highlighted in light purple?

Back 4

Radial nerve

Front 5

What is the cutaneous innervation of the segment highlighted in dark green?

Back 5

Musculocutaneous nerve

Front 6

What is the cutaneous innervation of the segment highlighted in pink?

Back 6

Intercostal nerves (T2, T3)

Front 7

What is the cutaneous innervation of the segment highlighted in light green (superiorly)?

Back 7

Medial cutaneous nerve of the arm

Front 8

What is the cutaneous innervation of the segment highlighted in orange (laterally)?

Back 8

Radial nerve

Front 9

What is the cutaneous innervation of the segment highlighted in light green (inferiorly)?

Back 9

Ulnar nerve

Front 10

What is the cutaneous innervation of the segment highlighted in orange (medially)?

Back 10

Medial cutaneous nerve of the forearm

Front 11

What is the cutaneous innervation of the segment highlighted in light blue?

Back 11

Median nerve

Front 12

What is the cutaneous innervation of the segment highlighted in tan?

Back 12

Suprascapular nerve

Front 13

What is the cutaneous innervation of the segment highlighted in pink?

Back 13

Intercostal nerves (T2, T3)

Front 14

What is the cutaneous innervation of the segment highlighted in dark purple?

Back 14

Axillary nerve

Front 15

What is the cutaneous innervation of the segment highlighted in red?

Back 15

Radial nerve

Front 16

What is the cutaneous innervation of the segment highlighted in orange?

Back 16

Medial cutaneous nerve of forearm

Front 17

What is the cutaneous innervation of the segment highlighted in light purple?

Back 17

Radial nerve

Front 18

What is the cutaneous innervation of the segment highlighted in dark green?

Back 18

Musculocutaneous nerve

Front 19

What is the cutaneous innervation of the segment highlighted in orange?

Back 19

Radial nerve

Front 20

What is the cutaneous innervation of the segment highlighted in light green?

Back 20

Ulnar nerve

Front 21

What is the cutaneous innervation of the segment highlighted in light blue?

Back 21

Median nerve

Front 22

Identify the highlighted structure. What is its innervation?

Back 22

Sternocleidomastoid, innervated by the accessory nerve.

Front 23

a) What is the highlighted structure?

b) What does the highlighted structure run through?

c) What does this structure branch from?

Back 23

a) Cephalic vein

b) The cephalic vein runs through the delto-pectoral triangle

c) It branches from the axillary vein at the level of the second rib.

Front 24

Identify the highlighted structure.

Back 24

Subclavian vein.

Front 25

Identify the highlighted structure.

Back 25

Axillary vein (from subclavian vein at the level of the first rib)

Front 26

Identify the highlighted structure.

Back 26

Brachialis

Front 27

Name the origin and the insertion of the highlighted structure.

Back 27

The highlighted structure is the brachialis.

Its origin is the anterior surface of the humerus (distal half). Its insertion is the ulnar tuberosity and coronoid process.

Front 28

What actions are associated with the highlighted structure?

Back 28

Flexes elbow in all positions

Front 29

What is the highlighted structure's innervation?

Back 29

The musculocutaneous nerve.

Front 30

Identify the highlighted structure. What is its innervation?

Back 30

Biceps brachii; innervated by the musculocutaneous nerve.

Front 31

What are the actions associated with the highlighted structure?

Back 31

Shoulder flexion

Forearm supination

Elbow flexion when forearm is supinated

Short head resists dislocation

Front 32

What is the origin and insertion of the highlighted structure?

Back 32

Origin: Supraglenoid tubercle (long head); tip of coracoid process of scapula (short head)

Insertion: Radial tuberosity, forearm fascia

Front 33

Identify the highlighted structure. What is its innervation?

Back 33

Coracobrachialis

Musculocutaneous nerve

Front 34

What are the actions associated with the highlighted muscle?

Back 34

Shoulder adduction, shoulder flexion, resists dislocation

Front 35

What are the origins and insertions of the highlighted muscle?

Back 35

Origin: Coracoid process tip

Insertion: Middle third of the medial surface of the humerus

Front 36

What are the origins and insertions of the highlighted muscle?

Back 36

Origin: Coracoid process tip

Insertion: Middle third of the medial surface of the humerus

Front 37

What is this bony structure? Name two muscles that attach to its tip.

Back 37

The coracoid process of the scapula. The coracobrachialis muscle and the short head of the biceps brachii attach there.

Front 38

What distally attaches to J?

Back 38

Coracobrachialis

Front 39

What originates on K?

Back 39

Brachialis

Front 40

What runs through the highlighted area?

Back 40

The highlighted area is the radial groove of the humerus. The radial nerve and the profounda brachial artery run through it.

Front 41

What runs through the highlighted area?

Back 41

The highlighted area is the radial groove of the humerus. The radial nerve and the profounda brachial artery run through it.

Front 42

Identify the highlighted structure. What is its innervation?

Back 42

The highlighted structure is the flexor digitorum superficialis. It is innervated by the median nerve.

Front 43

What are the origins and insertions of the highlighted structure?

Back 43

Humeral-ulnar head: medial epicondyle and coronoid process of the ulna

Radial head: oblique line of the radia

Insertion: Bodies of the middle phalanges (tendons split into two)

Front 44

What are the actions associated with the highlighted structure?

Back 44

- Flexion of the wrist

- Flexion of the carpo-metacarpal joints

- Flexion of the metacarpal-phalangeal joint

- Flexion of the proximal interphalangeal joint

Front 45

What runs deep to the highlighted structure?

Back 45

The median nerve (after piercing pronator teres) and the ulnar artery

Front 46

What is this bony feature? What muscle inserts onto it?

Back 46

The ulnar tuberosity. The brachialis muscle inserts onto it.

Front 47

What is this bony feature? What originates from it?

Back 47

The coronoid process of the ulna. The pronator teres (ulnar head) and the flexor digitorum superficialis (humeral-ulnar head) originate here.

Front 48

Identify the highlighted structure.

Back 48

Flexor digiti minimi brevis

Front 49

Identify the highlighted structure.

Back 49

Abductor pollicus brevis.

Front 50

Identify the following structure and justify your answer.

Back 50

Extensor pollicus longus

It originates on the middle posterior surface of the ulna, a little higher than the extensor indicis. Its tendon runs to the distal phalanx of the thumb.

Front 51

Identify the highlighted structure and justify your answer.

Back 51

Extensor indicis

It originates on the distal quarter of the posterior surface of the ulna, just below the extensor pollicus longus. Its tendon runs to the distal phalanx of the second digit.

Front 52

Identify the highlighted structure and justify your answer.

Back 52

Abductor pollicus longus

It arises from the proximal posterior surfaces of the ulna and radius (mostly radius). It sits superiorly to the extensor pollicus brevis. Its tendon goes to the base of the first metacarpal.

Front 53

Identify the highlighted structure and justify your answer.

Back 53

Extesor pollicus brevis

It sits on the distal quarter of the posterior radius, just below the abductor pollicus longus muscle (you can see it just above the highlighted part in the picture). It travels to the proximal phalanx of the thumb.

Front 54

Identify the highlighted structure.

Back 54

Coracoacromial ligament

Front 55

Identify the highlighted structure

Back 55

Coracoclavicular ligament

Front 56

Identify #5.

Back 56

Acromioclavicular ligament

Front 57

Identify C.

Back 57

Transverse humeral ligament

Front 58

What is the circled bony feature? What attaches to it?

Back 58

Conoid tubercle

Conoid segment of the coracoclavicular ligament attaches to it.

Front 59

What is the highlighted bony feature? What attaches to it?

Back 59

Trapezoid line of the clavicle

Trapezoid segment of the coracoclavicular ligament

Front 60

What is the structure highlighted in green?

Back 60

Acromioclavicular ligament

Front 61

What is the highlighted structure? Where does it originate?

Back 61

Coracohumeral ligament.

Begins on the coracoid process, near the tip.

It reinforces the joint capsule.

Front 62

What is the highlighted structure?

Back 62

Anterior sternoclavicular joint

Front 63

What is the structure highlighted in red?

Back 63

Articular disc of sternoclavicular joint

Front 64

What is the highlighted structure?

Back 64

Glenohumeral ligaments

Front 65

What is the structure highlighted in yellow?

Back 65

Glenoid labrum

Front 66

Identify the highlighted structure. What does it articulate with?

Back 66

Capitulum

Articulates with the head of the radius

Front 67

Identify the highlighted structure. What does it articulate with?

Back 67

Trochlea of humerus

Articulates with the trochlear fossa of the ulna

Front 68

What is the highlighted structure?

Back 68

Annular ligament

Front 69

What is the highlighted structure?

Back 69

Ulnar collateral ligament

Front 70

What is the structure highlighted in green?

Back 70

Transverse metacarpal ligament