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Shoulder > Shoulder > Flashcards

Shoulder Flashcards

1
Q

What nerves innovates the rotator cuff

A

Lower sub scapularis nerve
Upper subscapularis nerve
Suprascapular nerve

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2
Q

What muscles are a part of the rotator cuff?

A

Supraspinatous
Infraspinatous
Teres minor
Subscapularis

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3
Q

What nerve innovates the teres major

A

Lower subscapularis nerve

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4
Q

What nerve innovates the subscapularis muscle

A

Upper and lower subscapularis nerve

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5
Q

What nerve innovates the supraspinatus and infraspinatus muscle

A

Suprascapular nerve

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6
Q

What nerve innovates the teres minor and deltoid

A

Axillary nerve

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7
Q

What nerve innovates the serrated anterior

A

Long thoracic nerve

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8
Q

What nerve innovates the subclavius muscle

A

Subclabius nerve

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9
Q

What nerve innovates the pectoral is minor and major (upper and lower fibers)

A

Lateral and medial pectoral nerve

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10
Q

What nerve innovates the pec major (upper fibers)

A

Lateral pectoral nerve

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11
Q

What nerve innovates the levator scapulae

A

Cervical nerve

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12
Q

What nerve innovates the levator scapulae,
Rhomboid minor
Rhomboid major

A

Dorsal scapular nerve

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13
Q

What nerve innovates the latissimus dorsi

A

Thoracodorsal nerve

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14
Q

What nerve innovates the sternoclavicular muscle and
The (upper, lower, middle) Trapezius

A

Accessory nerve

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15
Q

What kind of joint is the Glenohumeral Joint

A

Synovial, ball and socket, multiaxial, diarthosis

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16
Q

What surfaces does the glenohumeral joint articulate with

A

Convex head of the humerus
Concave cavity of the scapula

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17
Q

What movements does the glenohumoral joint have

A

Flexion
Extension
Abduction
Adduction
Lateral/external Rotation
Medial/internal rotation
Circumduction

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18
Q

What are the accessory ligaments of the Glenohumeral Joint

A

Superior glenohumeral ligament
Middle glenohumeral ligament
Inferior glenohumeral ligament

19
Q

What joint in the shoulder region is not a true joint

A

Scapulothoracic joint

20
Q

What is the scapulothoracic joint made up of?

A

Mostly muscle tissue
Connective tissue
Fascia
Large bursa (subscapularis bursa)

21
Q

What articulating surfaces does the scapulothoracic joint have?

A

Concave subscapularis fossa
Surface on the convex posterior ribs

22
Q

What movements does the scapulothoracic joint have?

A

Sliding type of motion, protraction, retraction, elevation, depression, upward rotation of the Glenoid fossa, downward rotation of the glenoid fossa

23
Q

Where is the subacromial space

A

Between the humerus and acromian
The roof is the coracoacromial ligament

24
Q

What 3 structures reside in the subacromial space

A

2 muscles and a bursa

Supraspinatus tendon (easiest to injure)
Biceps (long head) tendon
Subacromial bursa

25
Q

What are the SITS muscle of the shoulder

A

Supraspinatous
Infraspinatous
Teres minor
Subscapularis

26
Q

Where does the teres major insert

A

Crest of the lesser tubercle of the humerus

27
Q

Where does the teres major originate

A

Back surfaces of the inferior angle of scapula
As well as
The lateral 1/3 of the lateral border of scapula

28
Q

What movements does the teres major have

A

Medically rotates
Adducts
Extends the shoulder joint

29
Q

What nerve innovates the teres major

A

Lower subscapularis nerve

30
Q

What is the function of the rotator cuff group

A

These four muscles (all rotate) attach from the scapula to humerus and act as a group to stabilize the humeral head in the glenoid cavity

31
Q

Where does the supraspinatus muscle insert

A

Superior facet of the greater tubercle

32
Q

Where does the Infraspinatous muscle insert?

A

Middle facet of the greater tubercle

33
Q

Where does the teres major insert

A

Inferior facet of the greater tubercle

34
Q

Where does the subscapularis muscle insert

A

Lesser tubercle of the humerus

35
Q

WHAT NERVE AND ARTERY pass through the quadranglular space

A

Axillary nerve
Circumflex humerus artery

36
Q

What type of joint is the TMJ

A

Synovial
Condyloid
Hinge
Diarthosis
Uniaxial

37
Q

What accessory ligaments does the TMJ have

A

Fibrous joint capsule (medial, lateral collateral ligaments)
Temporomandibular ligament
Stylomandibular ligament
Sphenomandibular ligament
Fibrocartaliginious articular disc that divides join into TWO cavities

38
Q

Movements of the TMJ joint

A

Depression
Elevation
Lateral deviation (left and right)
Protraction
Retraction
Slight rotation

39
Q

TMJ articulating surface contains

A

Articular disc
Articular tubercle
Mandibular fossa
Mandibular condyle

40
Q

TMJ temporalis does what action

A

Closes the jaw
Moves the jaw backwards

41
Q

TMJ lateral pterygoid does what movement

A

Opens jaw
Protraction of mandible

42
Q

TMJ medial ptergoid does what movements

A

Closes jaw
Elevation
Protraction of mandible

43
Q

Massteter in TMJ does what movement

A

Closes the jaw
Elevates the mandible
Clenches teeth

Shoulder (1 decks)

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