Podcast
Questions and Answers
What is the primary action of the trapezius muscle?
What is the primary action of the trapezius muscle?
Which of the following structures is NOT an insertion point of the trapezius muscle?
Which of the following structures is NOT an insertion point of the trapezius muscle?
Which nerve provides motor innervation to the trapezius muscle?
Which nerve provides motor innervation to the trapezius muscle?
What are the origin points of the trapezius muscle?
What are the origin points of the trapezius muscle?
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If a patient experiences difficulty shrugging their shoulders and rotating the scapula, which nerve might be compromised?
If a patient experiences difficulty shrugging their shoulders and rotating the scapula, which nerve might be compromised?
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Flashcards
Trapezius
Trapezius
A major muscle located in the upper back and neck, originating from the ligamentum nuchae and spines of C7–T12.
Origin of Trapezius
Origin of Trapezius
Ligamentum nuchae and spines of vertebrae C7–T12.
Insertion of Trapezius
Insertion of Trapezius
Attaches to the lateral clavicle, acromion, and spine of the scapula.
Action of Trapezius
Action of Trapezius
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Innervation of Trapezius
Innervation of Trapezius
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Study Notes
Trapezius Muscle
- Originates from the ligamentum nuchae and the spines of vertebrae C7 to T12.
- Inserts into the lateral clavicle, acromion, and spine of the scapula.
- Function: Elevates, retracts, and rotates the scapula.
- Innervation: Cranial nerve XI (spinal accessory) and spinal nerves C3 to C4.
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Description
Test your knowledge on the trapezius muscle's origin, insertion, function, and innervation. This quiz covers essential details about this important muscle in the upper body. Perfect for students of anatomy or anyone interested in human physiology.
