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  • Photo du rédacteurVincent B.champagne

Lower back and lower extremity pain may be associated with problems in the corresponding myotomes.




Myotomes are groups of muscles innervated by a single spinal nerve or a specific nerve root in the spinal cord. Each myotome is associated with a specific region of the body and is responsible for particular movements. For example, lower extremity myotomes control movements of the hips, knees, ankles, and toes, while lumbar myotomes are associated with movements of the trunk and lower back.

Lower back and lower extremity pain may be associated with problems in the corresponding myotomes. For example, a herniated disc or nerve compression in the lumbar region of the spine can lead to irritation or dysfunction of the spinal nerves that innervate the myotomes of the lower extremities. This can cause symptoms such as pain, numbness, tingling, or muscle weakness in the legs, ankles, or feet.

Likewise, muscle strains or injuries in the muscles associated with the lumbar or lower extremity myotomes can also cause pain in these regions. For example, muscle tension in the paraspinal muscles of the lower back (associated with the lumbar myotomes) can cause lower back pain, while injury or tension in the calf muscles (associated with the lower extremity myotomes) can cause lower back pain. pain in this area.



It is important to note that lower back and lower extremity pain can have many different causes, and accurate diagnosis often requires a thorough medical evaluation, including a physical examination and medical imaging tests. Treatment will depend on the underlying cause of the pain and may include measures such as physiotherapy, medication, corticosteroid injections, and in some cases even surgery.


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