Questions and Answers
What is the brachial plexus?
The brachial plexus is a network of nerves that originates in the neck and provides motor and sensory innervation to the upper limb.
Where does the brachial plexus originate?
The brachial plexus originates in the neck.
What function does the brachial plexus serve?
The brachial plexus provides motor and sensory innervation to the upper limb.
Study Notes
Brachial Plexus
- A network of nerves that originates in the spine, specifically from the cervical spine (C5-C8) and the first thoracic vertebra (T1)
- Extends from the neck to the axilla (armpit region) and divides into smaller branches that supply the upper limb
Function
- Serves as a vital communication pathway between the central nervous system and the upper limb, facilitating sensation, movement, and function
- Responsible for controlling various motor functions, including flexion, extension, abduction, and rotation of the shoulder, arm, and hand
- Also responsible for transmitting sensory information from the upper limb to the brain
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