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UArk Master's Anatomy > Quiz 2 - Shoulder Anatomy > Flashcards

Quiz 2 - Shoulder Anatomy Flashcards

(48 cards)

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1
Q

What Cervical Disk(s) does the Dorsal Scapular Nerve off-shoot from?

A

C5

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2
Q

What Cervical Disk(s) does the Long Thoracic Nerve off-shoot from?

A

C5, 6, 7

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3
Q

What Cervical Disk(s) does the Phrenic Nerve off-shoot from?

A

C5

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4
Q

What Cord does the L Pec Nerve off-shoot from?

A

Lateral

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5
Q

What cord does the M Pec Nerve off-shoot from?

A

Medial

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6
Q

Roots

A

C5 - T1

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7
Q

Trunks

A

Superior, Middle, Inferior

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8
Q

Cords

A

Lateral, Posterior, Medial

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9
Q

Branches

A

Musculocutaneous, Median, Radial, Accessory, and Ulnar Nerves

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10
Q

C2 Dermatomes

A

Back of the head and the sides of the face

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11
Q

C3 Dermatomes

A

Upper part of the neck and bottom of the jaw

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12
Q

C4 Dermatomes

A

Lower part of the neck

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13
Q

C5 Dermatomes

A

Most of Anterior Shoulder as well as some upper trap

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14
Q

C6 Dermatomes

A

Radial side of the arm, thumb, and a portion of the superior shoulder

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15
Q

C7 Dermatomes

A

Posterior side of arm leading to both the anterior/posterior side of the 1st and 2nd fingers (pointer and middle)

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16
Q

C8 Dermatomes

A

Posterior side of arm going down the ulnar side leading to both the anterior/posterior side of the 3rd/4th fingers

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17
Q

T1 Dermatomes

A

Starts around the armpit going towards the midline as well as leading all the way down (splitting the anterior side of the middle arm with C5)

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18
Q

Elevators of the Scapular Muscle

A

Levator Scap, Rhomboids, Upper Trap

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19
Q

Depressors of the Scapular Muscle

A

Lat. Dorsi, Lower Trap, Pec Minor

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20
Q

Retractors of the Scapular Muscle

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A

Lower Trap, Middle Trap, Rhomboids

21
Q

Upward Rotators of the Scapular Muscle

Study These Flashcards
A

Serratus Anterior, Upper/Lower Trap

22
Q

Protractor of the Scapular Muscle

Study These Flashcards
A

Serratus Anterior

23
Q

Clavical/Scapula

Study These Flashcards
A

Supported by the AC joint, conjoined by supporting ligaments

24
Q

Lesser Tubercle

Study These Flashcards
A

Attachment of the subscapularis

25
Greater Tubercle
Finger breath down from acromion, attachment site of the supraspinatus, teres minor, and infraspinatus
26
Suprascapular Notch
Holds Suprascapular N., innervates infraspinatus and supraspinatus muscles
27
Supraspinous Fossa
Houses the supraspinatus
28
Superior Angle
Attachment site of Levator scap
29
Deltoid Tuberocity
Lies proximally about a third of the way to the elbow and provides an attachment point for the deltoid muscle
30
Biceps Brachii
Action: Long head = abduction/Short Head = Adduction/Both = flexion and supination Insertion: Radial tuberosity Innervation: Musculocutaneous N. (C5-6) Origin: Short head = Coracoid Process/Long head = Supraglenoid tubercle "You walk shorter to the corner, ride longer on a superhighway"
31
Brachialis
Action: Major flexor of the forearm Insertion: Coronoid process and tuberosity of ulna Innervation: Musculocutaneous N. (C5-6) and Radial N. (C7) Origin: Distal half of the anterior surface of humerus
32
Brachioradialis
Action: Forearm flexion Insertion: Styloid Process of radius Innervation: Radial N. (C7) Origin: Lateral supracondylar ridge
33
Anconeus
Action: Forearm extension Insertion: Lateral surface of olecranon Innervation: Radial N. (C7) Origin: Lateral epicondyle of humerus
34
Triceps
Action: Extension and Adduction Insertion: Olecranon Innervation: Radial N. (C7) Origin: Long head = Infraglenoid tubercle/ Short and Medial Head = posterior surface of humerus
35
Infraspinatus
Action: Arm ER, stabilization of humeral head Insertion: Greater tubercle Innervation: Suprascapular N (C5-6) Origin: Infraspinous Fossa
36
Supraspinatus
Action: Shoulder Abduction, stabilization of humeral head Insertion: Greater Tubercle Innervation: Suprascapular N. (C5-6) Origin: Supraspinous fossa
37
Teres Minor
Action: Arm ER, Adduction, Stabilize Humeral head Insertion: Greater Tubercle Innervation: Axillary N. (C5-6) Origin: Lateral Border
38
Teres Major
Action: Arm IR, extension, stabilize humeral head Insertion: Intertubercular sulcus (medial lip) of humerus Innervation: Subscapular N. (C5-7) Origin: Inferior Angle
39
Subscapularis
Action: Arm IR, Stabilize humeral head Insertion: Lesser Tubercle Innervation: Subscapular N. (C5-6) Origin: Subscapular Fossa
40
Pec Major
Action: Arm adduction, IR, Flexion, Extension Insertion: Greater Tubercle Innervation: Lateral and Medial Pec N. (C5-T1) Origin: Anterior surface of clavicle or anterior surface of sternum
41
Pec Minor
Action: Scapular depression Insertion: Medial Border and Coracoid Process Innervation: Medial and Lateral Pec N. (C5-T1) Origin: Anterior surface
42
Lat. Dorsi
Action: Arm IR, Adduction, Extension Insertion: Intertubercular sulcus of humerus, "Lady between 2 majors" (Pec and Teres) Innervation: Thoracodorsal N. (C6-8) Origin: Inferior angle
43
AC Joint (Acromioclavicular)
Keeps clavicle from popping up, different grades of AC Joint sprain. "Piano Key sign"
44
Transverse Humeral
Hels keep long head of the biceps in the valley.
45
GHJ Capsular Ligament
Support the joint from anteroinferior side, weak stabilizers but act to limit max amplitude of movement
46
What 2 structures does the GHJ contain?
Inferior and Superior Labrum
47
Why is the rotator cuff attached so proximal?
Attached close for support
48
Arterial Flow
Artery Flow Aortic Arch -> Subclavian Artery -> Axillary Artery -> Brachial Artery

UArk Master's Anatomy (4 decks)

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