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Anatomy > Shoulder > Flashcards

Shoulder Flashcards

1
Q

Review this diagram of the portions of the proximal humerus.

A
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2
Q

What bones define the region of the shoulder?

A

Clavicle

Scapula

Proximal Humerus

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3
Q

What joints define the region of the shoulder?

A

Sternoclavicular

Acromioclavicular

Glenohumeral

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4
Q

Review this diagram of the scapula

A
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5
Q

What is the only bony attachment between the trunk and the upper limb?

A

Clavicle

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6
Q

What type of joints allow fo movement?

A

Synovial Joints

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7
Q

Where does the sternoclavicular joint lie?

A

Between the proximal end of the clavicle and the clavicular notch of the manubrium

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8
Q

What type of joint is the sternoclavicular joint? What is it shaped as?

A

Synovial

Saddle-shaped

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9
Q

What does the acromioclavicular joint articulate with?

A

Acromion and Clavicle

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10
Q

Review this diagram of the acromioclavicular joint

A
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11
Q

What type of join is the glenohumeral joint?

A

Synovial ball and socket articulation

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12
Q

What does the head of the humerus articulate with?

A

The glenoid cavity of the scapula

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13
Q

What type of movement does the glenohumeral joint allow for?

A

Multiaxial movements

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14
Q

Review this radiograph of the shoulder.

A
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15
Q

Which superficial muscle elevates the shoulder and rotates the scapula?

A

Trapezius

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16
Q

What does the deltoid allow movement of?

A

Abduction of arm beyond initial 15 degrees

17
Q

Which muscles are responsible for movements of the shoulder and glenohumeral joint integrity?

A

Rotator cuff muscles

18
Q

Actions of the infraspinatous

A
  1. Laterally rotates the shoulder
  2. Adducts shoulder
  3. stabilizes head of the humerus in the glenoid cavity
19
Q

Which muslce initiates the first 15 degrees of abduction?

A

Supraspinatous

20
Q

Origin of the subscapularis

A

Anterior

21
Q

Where does the subscapularis insert into?

A

Lesser Tubercle of the humerus

22
Q

What actions does the subscapularis allow for (2 actions)

A
  1. Medially rotate shoulder
  2. Stabilize head of humerus in glenoid
23
Q

Where is the Subacromial-Subdeltoid Bursa located?

A

Deep in the deltoid muscle

24
Q

Review this diagram of the glenohumeral joint

A
25
Q

What is the major artery that supplies to the arm?

A

Axillary

26
Q

Radiograph showing tuberosity

A
27
Q

Yet another radiograph. Knock yourself out

A
28
Q

Diagram of the lateral view of the scapula

A
29
Q

Weakest portion of the humerus and the most common place of fracture

A

Surgical Neck

30
Q

Origin and insertion of the subscapularis

A

Origin: Anterior

Insertion: Lesser tubercle of humerus

Anatomy (15 decks)

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