Upper Extremity: Part 1 Flashcards

1
Q

Passage between the neck and the arm that provides protection for neovascular bundle supplying the upper limb.

A

Cervicoaxillary Canal

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2
Q

What is the most commonly fracture bone in the human body?

A

Clavicle

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3
Q

How is the Clavicle most commonly fractured?

A

Outstretched Hand

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4
Q

What is the weakest part of the Clavicle?

A

Middle
Lateral Third

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5
Q

Where do the Brachialis, Pronator Teres, and Medial head of the Triceps Brachii attach on the humerus?

A

Medial Supracondylar Ridge

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6
Q

Where do the Triceps Brachii, Brachioradialis, and Extensor Radialis Longus attach on the humerus?

A

Lateral Supracondylar Ridge

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7
Q

What nerve is in direct contact with Surgical Neck of the Humerus?

A

Axillary Nerve

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8
Q

What nerve is in direct contact with the Radial Groove of the Humerus?

A

Radial Nerve

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9
Q

What nerve is in direct contact with the distal end of the Humerus?

A

Median Nerve

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10
Q

What nerve is in direct contact with the Medial Epicondyle of the Humerus?

A

Ulnar Nerve

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11
Q

How many bones form the wrist or Carpus?

A

8

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12
Q

Name the 8 Bones of the Wrist
(So Long To the Pinky, Here Comes The Thumb)

A

Scaphoid
Lunate
Triquetrum
Pisiform
Hamate
Capitate
Trapezoid
Trapezium

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13
Q

What fascia covers the Deltopectoral Groove?

A

Pectoral Fascia

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14
Q

What travels through the Deltopectoral Groove?

A

Cephalic Vein

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15
Q

Fascia is thickened at the posterior ends of the Radius and Ulna and forms what?

A

Extensor Retinaculum

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16
Q

Fascia is thickened at the anterior ends of the Radius and Ulna and forms what?

A

Palmar Carpal Ligament

17
Q

Deep and distal to the Extensor Retinaculum.

A

Flexor Retinaculum
(Transverse Carpal Ligament)

18
Q

Composed of the Flexor Retinaculum and the Carpal Bones.

A

Carpal Tunnel

19
Q

What two things pass through the Carpal Tunnel?

A

Median Nerve
Flexor Tendon

20
Q

What are the two main superficial veins that originate from the Dorsal Venous Network?

A

Cephalic
Basilic

21
Q

The Axilla act as a what for neurovascular structures?

A

Passageway

22
Q

How many parts does the Axillary Artery have?

A

3

23
Q

What is the boundary of the 1st part of the axillary artery?

A

1st Rib and Medial Border of the Pec Minor

24
Q

What is the boundary of the 2nd part of the axillary artery?

A

Posterior to Pec Minor

25
Q

What is the boundary of the 3rd part of the axillary artery?

A

Lateral Border of Pec Minor to Inferior of Teres Major

26
Q

What is the Brachial Plexus formed by the union of?

A

Anterior Rami of C5 - C8 + T1

27
Q

What muscles are supplied by C5?

A

Levator Scapulae
Rhomboid Major
Rhomboid Minor
Diaphragm
Supraspinatus
Infraspinatus
Subclavius

28
Q

What is the characteristic position of an Injury to C5 and C6 of the Brachial Plexus.

A

Waiter’s Tip Position

29
Q

This can occur in newborns due to excessive stretching of the neck during delivery which affects C5 and C6

A

Erb-Duchene Palsy

30
Q

What artery is the main supply to the arm?

A

Brachial Artery

31
Q

What nerve supplies anterior compartment of the arm?

A

Musculocutaneous Nerve

32
Q

Injury to the Musculocutaneous nerve results in paralysis of what muscles?

A

Coracobrachialis
Biceps
Brachialis

33
Q

What nerve supplies the posterior compartment of the arm?

A

Radial Nerve

34
Q

Injury to the Radial nerve results in paralysis of what muscles?

A

Triceps
Brachioradialis
Supinator and Extensor Muscles of Wrist and Fingers

35
Q

While the Ulnar never is vulnerable to injury, what is significant about it?

A

No branches in the arm.

36
Q

What vein is found in the Cubital Fossa and is used for blood draw and angiography?

A

Median Cubital Vein