Podcast
Questions and Answers
What is the origin of the supraspinatus muscle?
What is the origin of the supraspinatus muscle?
- Greater tubercle of the humerus
- Spine of the scapula
- Inferior angle of the scapula
- Supraspinous fossa of the scapula (correct)
Which nerve innervates the supraspinatus muscle?
Which nerve innervates the supraspinatus muscle?
- Suprascapular nerve (correct)
- Subscapular nerve
- Axillary nerve
- Musculocutaneous nerve
What is the primary action of the supraspinatus muscle?
What is the primary action of the supraspinatus muscle?
- External rotation of the arm
- Adduction of the arm
- Flexion of the arm
- Initiates arm abduction (correct)
The supraspinatus muscle inserts onto which structure?
The supraspinatus muscle inserts onto which structure?
Which artery provides the main blood supply to the supraspinatus muscle?
Which artery provides the main blood supply to the supraspinatus muscle?
Flashcards
Supraspinatus Origin
Supraspinatus Origin
Originates from the supraspinous fossa of the scapula.
Supraspinatus Insertion
Supraspinatus Insertion
Inserts at the superior facet of the greater tubercle of the humerus.
Supraspinatus Innervation
Supraspinatus Innervation
Innervated by the suprascapular nerve (C4, C5, C6).
Supraspinatus Action
Supraspinatus Action
Signup and view all the flashcards
Supraspinatus Blood Supply
Supraspinatus Blood Supply
Signup and view all the flashcards
Study Notes
Supraspinatus Muscle
- Origin: Supraspinous fossa of the scapula
- Insertion: Superior facet of the greater tubercle of the humerus
- Innervation: Suprascapular nerve (C4, C5, C6)
- Action: Initiates arm abduction and assists the rotator cuff muscles
- Blood Supply: Suprascapular artery
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
