rotator cuff Flashcards
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.
Fill in the blank: The _______ minor assists in the external rotation of the shoulder.
teres.
True or False: All rotator cuff injuries require surgical intervention.
False.
What are the four muscles that make up the rotator cuff?
Supraspinatus, Infraspinatus, Teres Minor, Subscapularis
True or False: The rotator cuff is responsible for stabilizing the shoulder joint.
True
Fill in the blank: The __________ muscle is located on the anterior side of the scapula.
Subscapularis
Which rotator cuff muscle is primarily responsible for abducting the arm?
Supraspinatus
What is the primary function of the Infraspinatus muscle?
External rotation of the shoulder
Multiple Choice: Which of the following muscles is NOT part of the rotator cuff? A) Supraspinatus B) Pectoralis Major C) Infraspinatus D) Teres Minor
B) Pectoralis Major
True or False: The rotator cuff muscles originate from the scapula.
True
What is the role of the Teres Minor muscle?
External rotation and adduction of the arm
Fill in the blank: The rotator cuff tendons blend with the __________ capsule.
Shoulder
What is the common injury associated with the rotator cuff?
Rotator cuff tear
Multiple Choice: Which rotator cuff muscle is responsible for internal rotation? A) Supraspinatus B) Subscapularis C) Infraspinatus D) Teres Minor
B) Subscapularis
True or False: The rotator cuff has a rich blood supply.
False
What is the anatomical location of the supraspinatus muscle?
Above the spine of the scapula
Fill in the blank: The rotator cuff muscles stabilize the __________ joint.
Glenohumeral
What type of joint is the shoulder joint classified as?
Ball-and-socket joint
Multiple Choice: Which muscle is located posteriorly and aids in external rotation? A) Subscapularis B) Infraspinatus C) Supraspinatus D) Teres Major
B) Infraspinatus
True or False: The rotator cuff muscles are innervated by the brachial plexus.
True
What is the main function of the rotator cuff?
To stabilize the shoulder and allow for a range of shoulder movements
Fill in the blank: The __________ is a common site for rotator cuff injuries.
Subacromial space
What are the two main types of rotator cuff tears?
Partial thickness tears and full thickness tears
Multiple Choice: What is a common symptom of a rotator cuff injury? A) Numbness in fingers B) Shoulder pain C) Leg cramps D) Headaches
B) Shoulder pain
True or False: The rotator cuff can be injured by repetitive overhead activities.
True
What imaging technique is commonly used to diagnose rotator cuff injuries?
MRI
Fill in the blank: The __________ muscle assists in adduction and internal rotation of the shoulder.
Teres Minor
