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Clinical Anatomy > Scapular Region > Flashcards

Scapular Region Flashcards

1
Q

Bony Landmarks of Deltoid

A

Clavicle
Acromion Process
Spine of Scapula

Deltoid Tuberosity of Humerus

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2
Q

Actions of Deltoid

A

Flexion & Medial Rotation (anterior)
Abduction (middle)
Extension & Lateral Rotation & Horizontal Extension (posterior)

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3
Q

Innervation of Deltoid

A

Axillary Nerve (C5-C6)

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4
Q

Bony Landmarks of Teres Major

A

Dorsal Surface of Inferior Angle of Scapula
Lower 1/3 of Lateral Border of Scapula

Medial Lip of the Intertubercular Sulcus of Humerus

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5
Q

Action of Teres Major

A

Adduction
Medial Rotation
Extension
(Of Humerus)

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6
Q

Innervation of Teres Major

A

Lower Subscapular Nerve (C5-C6)

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7
Q

Bony Landmarks of Supraspinatus

A

Medial 2/3 of Supraspinous Fossa

Superior Facet of Greater Tubercle of Humerus
Shoulder Joint Capsule

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8
Q

Actions of Supraspinatus

A

Initiates Abduction
Lateral Rotation
(Of Humerus)

Stabilizes Glenohumeral Joint (Reinforces Superior Aspect of Joint Capsule)

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9
Q

Innervation of Supraspinatus

A

Suprascapular Nerve (C4-C6)

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10
Q

Bony Landmarks of Infraspinatus

A

Medial 2/3 of Infraspinous Fossa

Middle Facet of the Greater Tubercle of Humerus
Shoulder Joint Capsul

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11
Q

Actions of Infraspinatus

A

Lateral Rotation
Stabilization of Glenohumeral Joint

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12
Q

Innervation of Infraspinatus

A

Suprascapular Nerve (C5-C6)

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13
Q

Bony Landmark of Teres Minor

A

Upper 2/3 of Dorsal Surface of Lateral Border of Scapula

Inferior Facet of Greater Tubercle of Humerus
Shoulder Joint Capsule

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14
Q

Actions of Teres Minor

A

Lateral Rotation
Stabilization of Glenohumeral Joint

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15
Q

Innervation of Teres Minor

A

Axillary Nerve (C5-C6)

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16
Q

Bony Landmarks of Subscapularis

A

Subscapular Fossa

Lesser Tubercle of Humerus

17
Q

Actions of Subscapularis

A

Medial Rotation of Humerus
Stabilizes Glenohumeral Joint

18
Q

Innervation of Subscapularis

A

Upper & Lower Subscapular Nerves (C5-C6)

19
Q

Describe the neurovascular tract: Quadrangular Space

A

Teres Minor
Teres Major
Long Head of Triceps
Humerus

Posterior Circumflex Humeral A.
Axillary N.

20
Q

Describe the neurovascular tract: Medial Border of Scapula

A

Dorsal Scapular N.
Dorsal Scapular A.

21
Q

Describe the neurovascular tract: Scapular Notch

A

Superior Scapular Notch
Superior Transverse Scapular Ligament

Suprascapular A. (Above Ligament)
Suprascapular N. (Below Ligament)

22
Q

Describe Shoulder Separation + Anatomical Structures

A

Fall On an OutStretched Hand / landing on the shoulder.

AC and coracoclavicular ligaments are stressed to the point of potential tear.

If complete tear of coracoclavicular ligament, then clavicle could move over acromion and may move inferior… damaging the glenohumeral joint.

23
Q

Describe Shoulder Dislocation + Anatomical Structures

A

most vulnerable when arm is in abducted position

the inferior joint capsule does not have any reinforcement from any muscles or ligaments

Humerus pops out inferiorly then moves anteriorly to the glenohumeral joint

24
Q

Locations of bursae in scapular region

A

-Subacromial
-Subdeltoid
-Subtendinous of Subscapularis

25
Q

Muscle(s) Innervated By: Accessory Nerve (CN XI)

A

Trapezius (M)

26
Q

Muscle(s) Innervated By: C3-C4

A

Trapezius (S)
Levator Scapula (S)
Rhomboids (S)

27
Q

Muscle(s) Innervated By: Dorsal Scapular Nerve (C4-C5)

A

Levator Scapula (M)
Rhomboids (M)

28
Q

Muscle(s) Innervated By: Suprascapular Nerve (C4-C6)

A

Supraspinatus

29
Q

Muscle(s) Innervated By: Suprascapular Nerve (C5-C6)

A

Infraspinatus

30
Q

Muscle(s) Innervated By: Subclavian Nerve (C5-C6)

A

Subclavius

31
Q

Muscle(s) Innervated By: Axillary Nerve (C5-C6)

A

Deltoid
Teres Minor

32
Q

Muscle(s) Innervated By: Upper & Lower Subscapular Nerve (C5-C6)

A

Subscapularis

33
Q

Muscle(s) Innervated By: Lower Subscapular Nerve (C5-C6)

A

Teres Major

34
Q

Muscle(s) Innervated By: Long Thoracic Nerve (C5-C7)

A

Serratus Anterior

35
Q

Muscle(s) Innervated By: Medial & Lateral Pectoralis Nerve (C5-T1)

A

Pec Major (claviular head C5-C7 & Sternocostal head C8-T1)
Pec Minor

36
Q

Muscle(s) Innervated By: Thoracodorsal Nerve (C6-C8)

A

Latissimus Dorsi

Clinical Anatomy (18 decks)

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