Nerve supply of Trapezius
Correct Answer: Spinal accessory nerve
Description: TRAPEZIUS: Origin: medial 1/3 rd of superior nuchal line., ligamentum nuchae, external occipital protuberance and spines of C7-T12 veebrae. Inseion:-lateral 1/3rd of clavicle., medial margin of acromion,superior margin of spine of scapula. Nerve supply: spinal accessory( motor),C3,C4 spinal nerves ( proprioceptive). Action:- upper fibres elevate scapula,'middle fibres retract ,and lower fibres depress scapula. {Reference: vishram singh, pg no. 72}
Category:
Anatomy
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now