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Questions and Answers
Which nerves form the brachial plexus?
Which nerves form the brachial plexus?
What injury may result in a flat shoulder deformity?
What injury may result in a flat shoulder deformity?
Which nerve injury leads to wrist-drop?
Which nerve injury leads to wrist-drop?
What is the result of axillary nerve injury?
What is the result of axillary nerve injury?
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Which nerve is responsible for the loss of rounded contour of shoulder (flat shoulder deformity)?
Which nerve is responsible for the loss of rounded contour of shoulder (flat shoulder deformity)?
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What is the result of ulnar nerve injury at the wrist?
What is the result of ulnar nerve injury at the wrist?
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Which nerve injury leads to the 'Benediction Attitude'?
Which nerve injury leads to the 'Benediction Attitude'?
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What is a clinical feature of carpal tunnel syndrome?
What is a clinical feature of carpal tunnel syndrome?
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In ulnar nerve injury at the elbow, what is impaired due to paralysis of palmar and dorsal interossei?
In ulnar nerve injury at the elbow, what is impaired due to paralysis of palmar and dorsal interossei?
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What results from median nerve injury at the elbow?
What results from median nerve injury at the elbow?
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Study Notes
Brachial Plexus
- The brachial plexus is formed by the ventral rami of spinal nerves C5-T1.
Nerve Injuries
- Axillary nerve injury results in a loss of rounded contour of the shoulder, also known as a flat shoulder deformity.
- Radial nerve injury leads to wrist-drop.
- Ulnar nerve injury at the wrist results in claw hand deformity.
- Ulnar nerve injury at the elbow impairs finger adduction and abduction due to paralysis of palmar and dorsal interossei.
- Median nerve injury at the elbow results in a condition known as 'Benediction Attitude', characterized by flexion of the wrist and fingers.
- Carpal tunnel syndrome is characterized by numbness, tingling, and pain in the hand and fingers, especially at night.
- Injury to the radial nerve can cause wrist-drop, a condition where the wrist is flexed and the hand is limp.
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Description
Test your knowledge of the brachial plexus, a network of nerve fibers supplying the upper limb, including its formation, course, and important nerves arising from it.
