upper extremity Flashcards
rotator cuff
What is the primary function of the rotator cuff?
To stabilize the shoulder joint and allow for a wide range of shoulder movements.
How many muscles make up the rotator cuff?
Four muscles.
Name the four muscles of the rotator cuff.
Supraspinatus, Infraspinatus, Teres Minor, Subscapularis.
True or False: The rotator cuff is only involved in lifting movements.
False.
What is a common injury associated with the rotator cuff?
Rotator cuff tear.
Fill in the blank: The rotator cuff helps to keep the _______ head of the humerus in the glenoid cavity.
ball.
What type of joint is the shoulder joint?
Ball-and-socket joint.
Which rotator cuff muscle is primarily responsible for initiating arm abduction?
Supraspinatus.
True or False: The rotator cuff is located in the lower back.
False.
What is the common term for the inflammation of the rotator cuff?
Rotator cuff tendinitis.
Multiple Choice: Which muscle is NOT part of the rotator cuff? A) Supraspinatus B) Biceps C) Infraspinatus D) Subscapularis
B) Biceps.
What is a common symptom of a rotator cuff injury?
Shoulder pain, especially when lifting the arm.
Fill in the blank: The rotator cuff stabilizes the shoulder by forming a _______ around the shoulder joint.
cuff.
What is the primary blood supply to the rotator cuff?
The suprascapular artery and the circumflex humeral arteries.
True or False: Rotator cuff injuries are more common in younger athletes than in older adults.
False.
What imaging technique is often used to diagnose rotator cuff tears?
MRI (Magnetic Resonance Imaging).
Multiple Choice: Which activity is most likely to cause a rotator cuff injury? A) Running B) Swimming C) Cycling D) Yoga
B) Swimming.
What is the term for the surgical repair of a torn rotator cuff?
Rotator cuff repair surgery.
Fill in the blank: The rotator cuff muscles originate from the _______ and insert on the humerus.
scapula.
True or False: Strengthening exercises can help prevent rotator cuff injuries.
True.
What role does the infraspinatus play in shoulder movement?
It externally rotates the arm.
What is the primary purpose of the subscapularis muscle?
To internally rotate the arm.
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
D) All of the above.
What is the primary rehabilitation focus after a rotator cuff injury?
Restoring range of motion and strengthening the shoulder.
