upper extremity COPY Flashcards

rotator cuff

1
Q

What is the primary function of the rotator cuff?

A

To stabilize the shoulder joint and allow for a wide range of shoulder movements.

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2
Q

How many muscles make up the rotator cuff?

A

Four muscles.

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3
Q

Name the four muscles of the rotator cuff.

A

Supraspinatus, Infraspinatus, Teres Minor, Subscapularis.

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4
Q

True or False: The rotator cuff is only involved in lifting movements.

A

False.

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5
Q

What is a common injury associated with the rotator cuff?

A

Rotator cuff tear.

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6
Q

Fill in the blank: The rotator cuff helps to keep the _______ head of the humerus in the glenoid cavity.

A

ball.

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7
Q

What type of joint is the shoulder joint?

A

Ball-and-socket joint.

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8
Q

Which rotator cuff muscle is primarily responsible for initiating arm abduction?

A

Supraspinatus.

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9
Q

True or False: The rotator cuff is located in the lower back.

A

False.

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10
Q

What is the common term for the inflammation of the rotator cuff?

A

Rotator cuff tendinitis.

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11
Q

Multiple Choice: Which muscle is NOT part of the rotator cuff? A) Supraspinatus B) Biceps C) Infraspinatus D) Subscapularis

A

B) Biceps.

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12
Q

What is a common symptom of a rotator cuff injury?

A

Shoulder pain, especially when lifting the arm.

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13
Q

Fill in the blank: The rotator cuff stabilizes the shoulder by forming a _______ around the shoulder joint.

A

cuff.

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14
Q

What is the primary blood supply to the rotator cuff?

A

The suprascapular artery and the circumflex humeral arteries.

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15
Q

True or False: Rotator cuff injuries are more common in younger athletes than in older adults.

A

False.

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16
Q

What imaging technique is often used to diagnose rotator cuff tears?

A

MRI (Magnetic Resonance Imaging).

17
Q

Multiple Choice: Which activity is most likely to cause a rotator cuff injury? A) Running B) Swimming C) Cycling D) Yoga

A

B) Swimming.

18
Q

What is the term for the surgical repair of a torn rotator cuff?

A

Rotator cuff repair surgery.

19
Q

Fill in the blank: The rotator cuff muscles originate from the _______ and insert on the humerus.

20
Q

True or False: Strengthening exercises can help prevent rotator cuff injuries.

21
Q

What role does the infraspinatus play in shoulder movement?

A

It externally rotates the arm.

22
Q

What is the primary purpose of the subscapularis muscle?

A

To internally rotate the arm.

23
Q

Multiple Choice: Which of the following is a risk factor for rotator cuff injuries? A) Age B) Gender C) Activity Level D) All of the above

A

D) All of the above.

24
Q

What is the primary rehabilitation focus after a rotator cuff injury?

A

Restoring range of motion and strengthening the shoulder.

25
Q

Fill in the blank: The _______ minor assists in the external rotation of the shoulder.

26
Q

True or False: All rotator cuff injuries require surgical intervention.