BMS Anatomy Lecture 6: Brachial Plexus and Shoulder Girdle Muscles

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Which part of the brachial plexus is responsible for providing innervation to the Musculocutaneous nerve?

Posterior cord

Superior trunk

Medial cord

Lateral cord (correct)

How many divisions does the brachial plexus have?

4 divisions

3 divisions (correct)

5 divisions

2 divisions

Which nerve is primarily innervated by the Ulnar nerve?

Ulnar nerve (correct)

Radial nerve

Median nerve

Musculocutaneous nerve

The Axillary nerve is a branch of which cord in the brachial plexus?

Posterior cord Signup and view all the answers

Which trunk of the brachial plexus gives rise to the Posterior cord?

Posterior inferior trunk Signup and view all the answers

Which of the following statements about the roots of the brachial plexus is correct?

The roots pass through scalene muscles and head towards the axilla. Signup and view all the answers

What is the significance of the trunks in the brachial plexus?

The trunks give rise to anterior and posterior divisions. Signup and view all the answers

How do the divisions of the brachial plexus pass underneath the clavicle?

As they head towards the axilla. Signup and view all the answers

What characterizes the cords of the brachial plexus?

Each cord is formed from both anterior and posterior divisions. Signup and view all the answers

Which statement accurately describes the anterior divisions of the brachial plexus?

Each trunk gives off one anterior division. Signup and view all the answers

What is the primary action of the middle fibers of the trapezius muscle?

Retraction (adduction) of scapula Signup and view all the answers

Which nerve innervates the Rhomboids major muscle?

Dorsal scapular nerve Signup and view all the answers

What is the origin of the Levator Scapulae muscle?

Transverse processes of C1-C4 Signup and view all the answers

Which muscle is responsible for the protraction of the scapula?

Pectoralis minor Signup and view all the answers

What is the insertion point of the Rhomboids minor muscle?

Medial border of scapula at the root of the spine Signup and view all the answers

BMS Anatomy Lecture 6: Brachial Plexus and Shoulder Girdle Muscles

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Questions and Answers

Which part of the brachial plexus is responsible for providing innervation to the Musculocutaneous nerve?

How many divisions does the brachial plexus have?

Which nerve is primarily innervated by the Ulnar nerve?

The Axillary nerve is a branch of which cord in the brachial plexus?

Which trunk of the brachial plexus gives rise to the Posterior cord?

Which of the following statements about the roots of the brachial plexus is correct?

What is the significance of the trunks in the brachial plexus?

How do the divisions of the brachial plexus pass underneath the clavicle?

What characterizes the cords of the brachial plexus?

Which statement accurately describes the anterior divisions of the brachial plexus?

What is the primary action of the middle fibers of the trapezius muscle?

Which nerve innervates the Rhomboids major muscle?

What is the origin of the Levator Scapulae muscle?

Which muscle is responsible for the protraction of the scapula?

What is the insertion point of the Rhomboids minor muscle?

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BMS Anatomy Lecture 6: Brachial Plexus and Shoulder Girdle Muscles

Podcast Beta

Questions and Answers

Which part of the brachial plexus is responsible for providing innervation to the Musculocutaneous nerve?

How many divisions does the brachial plexus have?

Which nerve is primarily innervated by the Ulnar nerve?

The Axillary nerve is a branch of which cord in the brachial plexus?

Which trunk of the brachial plexus gives rise to the Posterior cord?

Which of the following statements about the roots of the brachial plexus is correct?

What is the significance of the trunks in the brachial plexus?

How do the divisions of the brachial plexus pass underneath the clavicle?

What characterizes the cords of the brachial plexus?

Which statement accurately describes the anterior divisions of the brachial plexus?

What is the primary action of the middle fibers of the trapezius muscle?

Which nerve innervates the Rhomboids major muscle?

What is the origin of the Levator Scapulae muscle?

Which muscle is responsible for the protraction of the scapula?

What is the insertion point of the Rhomboids minor muscle?

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BMS Anatomy Lecture 2: Joints of Vertebral Column &amp; Thoracic Cage

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