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Lumbar

VERTEBRAE

The lumbar vertebrae are 5 in number and are the strongest and the largest vertebrae among the moveable part of the vertebral column. The lumbar vertebrae can be distinguished from the other vertebrae because it does not have a foramen (opening) in its transverse process. The body of lumbar vertebrae also lack facets on its sides. The lumbar region is curved in humans, with its concavity behind.

 

SPINAL CORD

The lumbar region gives 5 pairs of spinal nerves from L1 to L5. The spinal cord actually ends at the level of L1 and L2 vertebrae. The spinal cord that extends beyond this point is called cauda equina and is a collection of individual strands of nervous tissue. The lumbar nerves come together and forms a large nerve known as the sciatic nerve. Sciatic nerve supplies the hind limbs and feet. Damage to the lumbar vertebrae (spinal disk herniation) damages the lumbar nerve roots and this results in severe pain (sciatica) that radiates from the lower back down to the feet.

MUSCLES

There are many muscles in the lumbar region that support and provide strength to the whole body. These muscle help in rotation, bending and straightening up. These muscles are usually injured when trying to lift heavy objects or when trying to twist while lifting. This sprain of the muscles of the lumbar region is very painful and discomforting. The strain of the muscles usually heal in 1 to 2 weeks.

 

LUMBAR PUNCTURE

Lumbar puncture is a procedure by which cerebrospinal fluid (CSF) is collected from the lumbar region for diagnostic purposes. It is also done for therapeutic (injecting medicines) purposes and to relieve increased intracranial pressure. It is done by making the patient lie on his/her lateral side (right or left). The lumbar region is then exposed and a spinal needle is inserted between the lumbar vertebrae L3 and L4 (or L4 and L5).

 

LUMBAR REGION AND CAR ACCIDENTS

Lumbar region is the most common region injured in car accidents especially when hit from behind. The seating in the cars is designed in such a way that it provides maximum protection and comfort to the lumbar region.

 


VERTEBRAE

The lumbar vertebrae are 5 in number and are the strongest and the largest vertebrae among the moveable part of the vertebral column. The lumbar vertebrae can be distinguished from the other vertebrae because it does not have a foramen (opening) in its transverse process. The body of lumbar vertebrae also lack facets on its sides. The lumbar region is curved in humans, with its concavity behind.

 

SPINAL CORD

The lumbar region gives 5 pairs of spinal nerves from L1 to L5. The spinal cord actually ends at the level of L1 and L2 vertebrae. The spinal cord that extends beyond this point is called cauda equina and is a collection of individual strands of nervous tissue. The lumbar nerves come together and forms a large nerve known as the sciatic nerve. Sciatic nerve supplies the hind limbs and feet. Damage to the lumbar vertebrae (spinal disk herniation) damages the lumbar nerve roots and this results in severe pain (sciatica) that radiates from the lower back down to the feet.

MUSCLES

There are many muscles in the lumbar region that support and provide strength to the whole body. These muscle help in rotation, bending and straightening up. These muscles are usually injured when trying to lift heavy objects or when trying to twist while lifting. This sprain of the muscles of the lumbar region is very painful and discomforting. The strain of the muscles usually heal in 1 to 2 weeks.

 

LUMBAR PUNCTURE

Lumbar puncture is a procedure by which cerebrospinal fluid (CSF) is collected from the lumbar region for diagnostic purposes. It is also done for therapeutic (injecting medicines) purposes and to relieve increased intracranial pressure. It is done by making the patient lie on his/her lateral side (right or left). The lumbar region is then exposed and a spinal needle is inserted between the lumbar vertebrae L3 and L4 (or L4 and L5).

 

LUMBAR REGION AND CAR ACCIDENTS

Lumbar region is the most common region injured in car accidents especially when hit from behind. The seating in the cars is designed in such a way that it provides maximum protection and comfort to the lumbar region.

 

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