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Which is the longest nerve in the human body?
Human bodyNervous system
Quick Answer
The sciatic nerve is the longest and widest nerve in the human body. It runs from the lower spine through the buttocks and down each leg.
The Full Story
The sciatic nerve is widely recognized as the longest and widest nerve in the human body. It begins in the lower spine, passes through the pelvis and buttocks, and branches down the leg to the foot. It controls muscles in the back of the knee and lower leg and carries sensory information from parts of the leg and foot. Sciatica, a common condition, occurs when this nerve is irritated or compressed. Its long path makes it especially important in lower-body movement and sensation.
Key Facts
1.The sciatic nerve runs from the lower spine to the foot
2.It is the longest and widest nerve
3.Sciatica is irritation of this nerve
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"The body’s longest nerve runs all the way down your leg"