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Upper Limbs > Exam 3- Upper Limbs > Flashcards

Exam 3- Upper Limbs Flashcards

0
Q

Central lymph node drains into which node?

A

Apical node

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1
Q

Removal of a single lobe of the mammary gland in a procedure called

A

Lobectomy

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2
Q

Lymph node that drains the lateral breast and receives 75% of lymph from breast

A

Anterior/pectoral axillary node

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3
Q

This is the 3rd ligament found in the shoulder around the acromioclavicular joint, but it does NOT maintain the joint

A

Corocoacromial ligament

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4
Q

Blood supply to mammary gland is done by three artery branches, what are they?

A
  1. Internal thoracic/mammary artery (branch subclavian artery)
  2. Lateral thoracic artery (branch of axillary artery)
  3. Thoracoacromial artery (branch of axillary artery)
    Mnemonic: LIT arteries
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5
Q

Lymph node that drains the medial part of the breast, recives 25% of the lymph from the breast and sits next to the internal thoracic vessels

A

Parasternal node

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6
Q

Clavipectoral Fascia

  1. What muscles does it envelope?
  2. What is its main function?
  3. Where does it attach?
A
  1. Covers pectoralis minor and subclavius
  2. Protects underlying nerves of brachial plexus and axillary vessels.
  3. Attached to clavicle and axillary fascia
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7
Q

Space between breast (mammary glands) and pectoral fascia of pectoralis major that allows for movement of breast and can be invaded by rumors that may fix breast to thoracic wall

A

Retromammary Space

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8
Q

The three structures piercing the clavipectoral fascia are:

A
  1. Cephalic vein
  2. Thoracoacromial artery
  3. Lateral pectoral nerve
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9
Q

Name the Rotator cuff muscles supporting the shoulder joint

A

Supraspinatus, infraspinatus, teres minor and subscapularis

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10
Q

Removal of auxiliary tail of mammary gland in procedure called

A

Radical mastectomy

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10
Q

Palpitation of the tip of the coracoid process of the scapula is done in a region called? What else is in this area?

A

Deltopectoral Triangle

Cephalic vein

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10
Q

What three lymph nodes drain into the central lymph node

A
  1. Humeral (drains upper limbs)
  2. Posterior/subscapular (drains posterior wall of axilla)
  3. Anterior/pectoral (drains anterior wall of axilla and lateral side of breast)
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14
Q

Apical lymph node drains into which node?

A

Suprascapular node

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15
Q

Suprascapular lymph node drains into which node?

A

Right subclavian lymph trunk –> right lymphatic duct

Left subclavian lymph trunk –> thoracic lymphatic duct

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16
Q

Clinical presentation of posterior dislocation of elbow joint:

  1. Occurs commonly in young children when they fall on outstretched hands
  2. Humerus is pushed through the weak/developing anterior capsule of joint
  3. Ulna and radius bones are pushed posteriorly

What nerve may be compromised in this injury?

A

Ulnar nerve, courses posteriorly around the ulna bone.

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17
Q

Clinical presentation of separated shoulder or dislocation of AC joint: two ligaments tear (name them), the clavicle is elevated due to trapezium muscle pulling and scapula falls away from weight of upper limb

A

Acromioclavicular and coracoclavicular ligaments

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18
Q

Clinical presentation (Winged scapula): medial border of scapula protrudes posteriorly when patient pushes hands agains wall. What nerve is damaged and what affected muscle does it innervate?

A

Nerve: long thoracic nerve or nerve to serratus anterior
Muscle: serratus anterior

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19
Q

The proximal radioulnar joint is between the head of the radius and the radial notch of the ulna bone.
1. What type of joint?
2. What ligament holds this joint in place?
3. What actions does the joint allow?
4.

A
  1. Pivot joint
  2. Annular ligament
  3. Supination and pronation
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20
Q

Thoracodorsal nerve innervates which muscle

A

Latissimus dorsi

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21
Q

Glenohumeral joint is what type of joint?

A

Multiaxial ball and socket joint

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23
Q

The radiocarpal joint allows for what types of movement? (4)

A

Flexion, extension, adduction, abduction

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24
Q

The two cartilages associated with the glenoid fossa and their function are:

A
  1. Fibrous cartilage in glenoid labrum (deepens glenoid cavity)
  2. Hyaline cartilage in glenoid fossa (prevent/reduce wear and tear)
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26
Q

What is the name of the group of ligaments that support the elbow joint medially?

Also the ligaments that are repaired in a procedure called Tommy John’s Surgery.

A

Ulnar collateral ligament

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27
Q

The elbow joint is what type of joint and what movements are allowed?

A

Synovial hinge joint

Flexion and extension only.

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28
Q

The lateral ligaments of the elbow joint are ?

A

Radial collateral and annular ligament

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29
Q

Fascia on pectoralis major

A

Pectoral fascia

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30
Q

Clinical presentation: joint dislocation seen in younger children, presents as a bump on the skin from the displaced head of the radius. May be caused by excessive force on child’s arm that forces the radius superiorily (biceps also pulls on dislocated bone)

What is the name of the joint that is affected?

A

Proximal radioulnar joint

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31
Q

Mammary Gland

A

Modified sweat gland located in superficial fascia: contains

  • suspensory ligament,
  • dividing breast into lobes,
  • with milk secreting glands,
  • via lactiferous duct
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31
Q

Inferior dislocation of glenohumeral joint can cause damage to which nerve?

A

Axillary nerve

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31
Q

Distal radioulnar joint is between ? Allows for what movements? And has an articulate disc that strong,y supports the joint and also seperates this joint from the wrist joint.

A

Head of Ulna and ulnar notch of radius, joint allows for supination and pronation.

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32
Q

Lateral pectoral nerve has ventral rami of spinal nerves?

A

C5, C6, C7

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34
Q

Middle radioulnar joint is a syndesmosis formed by what?

A

Interosseus membrane

35
Q

When force is applied on the interosseous membrane between the radius and ulnar, it has two main functions namely?

A
  1. Dissipate force away from the small head of the radius

2. Prevent fracture of the head of radius

36
Q

The wrist joint/radio carpal joint is what type of joint?

A

Ellipsoidal joint

36
Q

Below the radiocarpal joint lies three bones namely?

A

Scaphoid, lunate, triquetrum

37
Q

What are the characteristics of the triangle of auscultation

A

Boundaries:

  1. Inferior - latissimus dorsi (T6-T12)
  2. Lateral - Rhomboid major (T2-T5)
  3. Superior - trapezius (C7, T1-T12)

Triangle overlies the 6th intercostal space (makes sense based on where boundary muscles originate)

38
Q

What are The 2 ligaments holding the bones of the synovial plane acromioclavicular joint together

A
  1. Acromioclavicular ligament

2. Coracoclavicular ligament

39
Q

Clinical presentation: in a radiocarpal fracture commonly seen in elderly women, the patient fell on their outstretched hand, resulting in avulsed ulnar styled process and displacement of the broken radius posteriorly. This fracture is also characterized by a “dinner-fork” deformity in the lateral view.

What is the name of this fracture?

A

Colles’ fracture

40
Q

Median part of median nerve has ventral rami of spinal nerves?

A

C8 & T1

41
Q

Interphalangeal joints (DIP & PIP) are synovial hinge joints that allow for flexion and extension movements. They have two supporting ligaments namely?

A

Palmar and collateral ligaments

42
Q

The only bony attachment to the skeleton in the upper extremity is via?

A

Clavicle

43
Q

The most frequently broken bone in the body is?

A

Clavicle

44
Q

Two nerve branches come directly from the ventral rami of the brachial plexus, what are their names?

A

Long thoracic nerve (C5-C7) and dorsal scapular nerve (C5)

45
Q

Actions of the trapezius muscles are?

A

Mnemonic (DEER)

  1. Depresses the shoulder
  2. Elevated the shoulder
  3. Extends the head
  4. Retracts the scapula
46
Q

Fascia that is one of the attachment points for the trapezius muscle is called

A

Ligamentum nuchae

48
Q

Musculocutaneous nerve off the lateral cord has ventral rami of spinal nerves?

A

C5, C6, C7

49
Q

Latissimus dorsi attaches to the fascia

A

Thorocolumbar fascia

50
Q

Which intermediate back muscle has the same vertebrae origin as trapezius (T12 excluding). It’s action is to raise the ribs in inspiration and it is inner acted by the dorsal rami of the thoracic spinal nerves

A

Levatores costarum

51
Q

What muscle does the musculocutaneous nerve pierce in the arm?

A

Coracobrachialis

52
Q

Which rami of the spinal nerves sends sensory nerves to the skin of the back and posterior neck and motor neurons to deep muscles of the back and neck?

A

Dorsal primary ramus

53
Q

Glenohumeral joint is made up of a fibrous capsule, three ligaments (name them) and two openings (name them)

A
  1. Glenohumeral, transverse humeral, and coracohumeral ligaments
  2. For the tendon of the long head of biceps brachii and opening for subscapular bursa
54
Q

Radial nerve off the posterior cord has ventral rami of spinal nerves?

A

C5-C8 and T1

55
Q

Which rami of the spinal nerve sends sensory nerves to the skin of extremities and anterior and lateral regions of the trunk, and motor nerves to the muscles of these same regions?

A

Ventral primary Ramos

56
Q

Area innervated by a single spinal nerve of a sensory neuron is called?

A

Dermatome

56
Q

Posterior division of brachial plexus supplies what part of the upper extremity?

A

Posterior compartment - extensors of arm and forearm

58
Q

Axillary nerve off the posterior cord has ventral rami of spinal nerves?

A

C5 and C6 only

59
Q

What muscles are innervates by the medial pectoral nerve

A

Pectoralis major and pectoralis minor

60
Q

Which artery can be compressed mid-arm to control hemorrhage or to read blood pressure?

A

Brachial artery

61
Q

Ulnar nerve has ventral rami of spinal nerves?

A

C8 and T1

61
Q

Lower subscapular nerve innervates which muscles

A

Subscapularis and teres Major

62
Q

Metacarpophalangeal joint is a synovial condyloid joint that is supported by three types of ligaments namely?

What actions/movements are allowed at this joint?

A
  1. Palmar (between bones), collateral (sides of bones), and deep transverse metacarpal ligaments
  2. Flexion, extension, adduction and abduction
63
Q

Median nerve has ventral rami of spinal nerves?

A

C5-C8 and T1

65
Q

What structures course through the radial grove created by the biceps muscle?

A

Radial nerve, deep brachial artery

66
Q

All anterior divisions of the brachial plexus supply what compartment of the upper extremity?

A

The anterior compartment - Flexors of the arm and forearm

67
Q

Upper subscapularis nerve innervates which muscle

A

Subscapularis

68
Q

Medial cutaneous nerve of arm and medial cutaneous nerve of forearm (antebrachial nerve) have ventral rami of spinal nerves?

A

C8 and T1

70
Q

What muscle is innervated by the lateral pectoral nerve

A

Pectoralis major

71
Q

What muscles are innervated by the axillary nerve

A

Teres minor and deltoid

72
Q

Lateral part of median nerve has ventral rami of spinal nerves?

A

C5-C7

72
Q

What muscles does the dorsal scapular nerve innervate?

A

Levator scapulae, rhomboid major, rhomboid minor

73
Q

What muscle does the long thoracic nerve innervate?

A

Serratus anterior

74
Q

What two nerve branches come off directly from the upper trunk of the brachial plexus?

A

Suprascapular nerve and subclavius nerve both C5, C6

75
Q

Clinical presentation: A patient arrives in the ER with a fracture to the midshaft of the humerus. The patient is unable to extend the hand (wrist-drop), what nerve is damaged and what muscle group is causing the wrist drop?

A
  1. Radial nerve in radial groove of humerus could be pinched.
  2. Deep branch of radial nerve innervates the extensors in the forearm that act on the hand.

NOTE: This damage would not affect extension of arm at elbow joint because most of tricep brachii are innervated proximal to radial groove.

76
Q

Suprascapular nerve innervates which muscles

A

Supraspinatus and infraspinatus

76
Q

Subclavius nerve innervates which muscle?

A

Subclavius muscle

77
Q

These two nerves travel through the arm along side the main artery vessel but do not branch or innervated muscles of the arm

A

Median nerve and ulnar nerve

77
Q

What is the nerve that descends posteriorly to the medial epicondyle (funny bone)

A

Ulnar nerve

78
Q

Musculocutaneous nerve becomes a sensory nerve past the elbow joint, what is the name of this nerve

A

Lateral cutaneous nerve of forearm

79
Q

Radial nerve innervates (motor) which posterior muscle

A

Triceps brachii and Anconeus

80
Q

Radial nerve sensory branches are:

A
  1. Lower lateral brachial cutaneous
  2. Posterior brachial cutaneous
  3. Antebrachial cutaneous
81
Q

Upper subscapular nerve, lower subscapular nerve and thoracodorsal/middle subscapular nerve have ventral rami of spinal nerves?

A

C5, C6, C7, C8, T1

Upper Limbs (2 decks)

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