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Questions and Answers
What is the location of the long thoracic nerve in relation to the serratus anterior muscle?
What is the location of the long thoracic nerve in relation to the serratus anterior muscle?
- Medial to the serratus anterior muscle
- On the superficial surface of the serratus anterior muscle (correct)
- Deep to the serratus anterior muscle
- Lateral to the serratus anterior muscle
What is the long thoracic nerve vulnerable to during radical mastectomy?
What is the long thoracic nerve vulnerable to during radical mastectomy?
- Compression
- Stretching
- Damage
- Injury (correct)
What type of injury can put the long thoracic nerve at risk?
What type of injury can put the long thoracic nerve at risk?
- Chronic injury
- Traumatic injury (correct)
- Acute injury
- Minor injury
What surgical procedure poses a risk to the long thoracic nerve?
What surgical procedure poses a risk to the long thoracic nerve?
What is the long thoracic nerve's association with the serratus anterior muscle?
What is the long thoracic nerve's association with the serratus anterior muscle?
What is the title of the course taught by Volodymyr Mavrych?
What is the title of the course taught by Volodymyr Mavrych?
What is the field of study that Volodymyr Mavrych is a professor of?
What is the field of study that Volodymyr Mavrych is a professor of?
What academic degrees does Volodymyr Mavrych hold?
What academic degrees does Volodymyr Mavrych hold?
What is the term for a complex network of nerves in the neck and shoulder region that is studied in MSK 112?
What is the term for a complex network of nerves in the neck and shoulder region that is studied in MSK 112?
What is the profession of Volodymyr Mavrych?
What is the profession of Volodymyr Mavrych?
The primary rami of which cervical nerve branch gives rise to the dorsal scapular nerve?
The primary rami of which cervical nerve branch gives rise to the dorsal scapular nerve?
From which spinal nerves are the upper subscapular nerve's fibers derived?
From which spinal nerves are the upper subscapular nerve's fibers derived?
Which nerve does NOT branch from the ventral primary rami of C5, C6, C7, C8, and T1?
Which nerve does NOT branch from the ventral primary rami of C5, C6, C7, C8, and T1?
What is the function of the muscles supplied by the dorsal scapular nerve?
What is the function of the muscles supplied by the dorsal scapular nerve?
Which nerve is responsible for innervating the latissimus dorsi muscle?
Which nerve is responsible for innervating the latissimus dorsi muscle?
Which of the following nerves is NOT a terminal branch?
Which of the following nerves is NOT a terminal branch?
Which of the following nerves is NOT formed from the ventral primary rami of C5, C7, and T1?
Which of the following nerves is NOT formed from the ventral primary rami of C5, C7, and T1?
What is the correct sequence of spinal nerves that form the ventral primary rami?
What is the correct sequence of spinal nerves that form the ventral primary rami?
How many spinal nerves contribute to the formation of the musculocutaneous nerve?
How many spinal nerves contribute to the formation of the musculocutaneous nerve?
Which muscle is innervated by the lower subscapular nerve?
Which muscle is innervated by the lower subscapular nerve?
Which anatomy book is referenced by Dr. Vlad?
Which anatomy book is referenced by Dr. Vlad?
In what year did Dr. Vlad give the reference?
In what year did Dr. Vlad give the reference?
Who is the author of the anatomy book referenced by Dr. Vlad?
Who is the author of the anatomy book referenced by Dr. Vlad?
What is the title of the practice quiz given by Dr. Vlad?
What is the title of the practice quiz given by Dr. Vlad?
Who is addressed by Dr. Vlad in the practice quiz?
Who is addressed by Dr. Vlad in the practice quiz?
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Study Notes
Brachial Plexus
- The brachial plexus is formed by the ventral primary rami of C5, C6, C7, C8, and T1.
- The branches from the roots supply muscles that join the trunk to the pectoral girdle.
Branches from Roots
- Dorsal scapular nerve (C5)
- Long thoracic nerve (C5-C7)
- The long thoracic nerve is vulnerable to injury during radical mastectomy or traumatic injury due to its superficial location on the serratus anterior muscle.
Trunks
- The three trunks are formed by the union of the posterior divisions of all three trunks.
Divisions and Branches
- The upper subscapular nerve (C5, C6) supplies the subscapularis.
- The middle subscapular (thoracodorsal) nerve (C6, C7, C8) supplies the latissimus dorsi.
- The lower subscapular nerve (C6, C7) supplies the subscapularis and teres major.
- The axillary nerve is a terminal branch.
- The radial nerve is a terminal branch.
- The musculocutaneous nerve (C5-C7) is another branch.
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