What spinal nerves affect the legs?

Sciatic Nerve Anatomy
  • The sciatic nerve is formed in the lower spine by the combination of motor and sensory fibers from spinal nerves L4 to S3. ...
  • This long, thick, and bulky nerve runs along the back of the thigh and leg and terminates in the foot.
  • The nerve supplies most areas of the thigh, leg, and foot.
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Which spinal nerves cause leg pain?

The sciatic nerves branches from your lower back through your hips and buttocks and down each leg. Sciatica refers to pain that radiates along the path of the sciatic nerve, which branches from your lower back through your hips and buttocks and down each leg.
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What spinal part affects legs?

Lumbar region

The lumbar spinal cord is the lower area of the back. Nerve roots coming from the spinal cord in the lumbar spine control the legs. The lumbar region is where the spinal cord ends (the spinal cord is shorter than the spine).
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What nerve affects your legs?

The peroneal nerve is a branch of the sciatic nerve. It supplies movement and sensation to the lower leg, foot and toes. Common peroneal nerve dysfunction is a type of peripheral neuropathy (nerve damage outside the brain or spinal cord). This condition can affect people of any age.
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What are the symptoms of L2 L3 nerve damage?

Pain, numbness, tingling, or burning sensations are common when the l2-l3 nerves are compressed, irritated, or damaged. Also, internal organs can malfunction when problems occur at the L2-L3 spinal segment.
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Sciatic nerve: branches, course and clinical significance - Human Anatomy | Kenhub



Can C5-C6 cause leg pain?

An injury to the spinal cord at the C5-C6 level may cause pain, weakness, or paralysis in the arms and/or legs.
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What are the symptoms of L4 L5 nerve damage?

Common symptoms and signs include: Sharp pain, typically felt as a shooting and/or burning feeling that originates in the lower back and travels down the leg in the distribution of a specific nerve, sometimes affecting the foot. Numbness in different parts of the thigh, leg, foot, and/or toes.
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How do I know if my leg pain is nerve related?

10 Signs You May Be Suffering from Nerve Pain
  1. Numbness or tingling in feet and hands.
  2. Loss of balance and falling.
  3. Throbbing and sharp pain.
  4. Extreme sensitivity to touch.
  5. Dropping things with your hands.
  6. Muscle weakness.
  7. Heavy feeling in arms and legs.
  8. Dramatic drop in blood pressure.
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Can an MRI show nerve damage in leg?

Does an MRI scan show nerve damage? A neurological examination can diagnose nerve damage, but an MRI scan can pinpoint it. It's crucial to get tested if symptoms worsen to avoid any permanent nerve damage.
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How does spinal stenosis affect the legs?

With lumbar stenosis, it's common to feel numbness or tingling in one leg or foot, weakness in your leg, and pain or cramping after standing for long periods of time. Lumbar stenosis can make it difficult to walk and often feels better when you lean forward and relieve the pressure on your lower vertebrae.
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What part of spine controls lower legs?

The vertebrae in your spine also provide a bony enclosure for the individual nerves that descend from the end of your spinal cord. This “tail of nerves” is called the cauda equina. Controls leg movement. The nerves that branch off of your lower spinal cord and cauda equina control leg sensations and movement.
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Can cervical nerves affect legs?

Cervical myelopathy can affect both the arms and the legs.
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What are the symptoms of L3 nerve root compression?

When the L3 spinal nerve is involved, the following symptoms may occur:
  • Sharp pain, typically felt as a shooting and/or burning feeling that may occur in the thigh and/or inner part of the leg. ...
  • Numbness in the thigh and/or inner part of the leg. ...
  • Weakness while moving the thigh and/or knee in different directions.
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What are the symptoms of L5 S1 nerve damage?

Common Symptoms and Signs Stemming from L5-S1
  • Pain, generally felt as a sharp, shooting, and/or searing feeling in the buttock, thigh, leg, foot, and/or toes.
  • Numbness in the foot and/or toes.
  • Weakness in the leg and/or foot muscles and an inability to lift the foot off the floor (foot drop)
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Can thoracic spine affect legs?

Thoracic spinal cord injury symptoms depend on the type of nerve damage. Spinal pain can radiate into arms, legs or around the rib cage from back toward the anterior chest. The following may be associated with thoracic spine nerve damage: Significant leg weakness or loss of sensation.
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What vertebrae controls right leg?

L5 spinal nerve provides sensation to the outer side of the lower leg, the upper part of the foot, and the web-space between the first and second toe. The L5 spinal nerve controls hip, knee, foot, and toe movements.
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How does a neurologist check for nerve damage?

By measuring the electrical activity they are able to determine if there is nerve damage, the extent of the damage and potentially the cause of the damage. Frequently the neurologist will recommend common, noninvasive neurological evaluations such as electromyography (EMG) and nerve conduction velocity (NCV) testing.
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Can blood test detect nerve damage?

A variety of blood tests may be performed to determine the cause of nerve damage. These tests may look for high blood glucose levels, diabetes onset, vitamin deficiencies, etc.
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How do neurologists treat nerve pain?

Multimodal therapy (including medicines, physical therapy, psychological counseling and sometimes surgery) is usually required to treat neuropathic pain. Medicines commonly prescribed for neuropathic pain include anti-seizure drugs such as: Gabapentin (Neurontin®).
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How can I stop nerve pain in my legs?

Walk it off.

Exercise releases natural painkillers called endorphins. Exercise also promotes blood flow to the nerves in the legs and feet. Researchers believe that regular exercise may create a long-lasting expansion in blood vessels in the feet, nourishing damaged nerves back to health.
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How can you tell the difference between muscle pain and nerve pain?

Different Types of Pain

The pain is typically localized in the muscle itself, and it usually hurts when you use the muscle. You feel fatigued and may have trouble sleeping. Nerve pain is described as crushing, burning, tingling or numbness. It is sharp and you may feel pain on the skin above the nerves as well.
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Will nerve pain in leg go away?

It can go away on its own but is often chronic. Sometimes it is unrelenting and severe, and sometimes it comes and goes. It often is the result of nerve damage or a malfunctioning nervous system. The impact of nerve damage is a change in nerve function both at the site of the injury and areas around it.
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What nerves do C5 C6 affect?

From the upper trunk C5 and C6 give rise to the nerve to the subclavius, and the suprascapular nerve, that supply the subclavius muscle, and the supra- and infraspinatus muscles, respectively.
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What does the C4 and C5 nerves control?

C4 provides sensation for parts of your neck, shoulders and upper arms. Cervical nerve 5 controls the deltoid muscles of your shoulders and your biceps. C5 provides sensation to the upper part of your upper arm down to your elbow.
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What nerves are affected by C6 C7?

The C6-C7 disc is 6th cervical disc near the lower part of the neck, near the top of the shoulders. The nerve root that would be affected by the C6-C7 disc herniation controls the arms, the shoulders, the heart, the lungs, and more.
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