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I just wanted to share this with you all because I have been seeing a lot of post where people are complaining about pain that extends down thier legs, I have trouble with my sciatic nerve, so I thought this info would help explain things...If this nerve becomes pinched it can cause alot of pain down the legs and in the buttocks and thighs..
The sciatic nerve is the longest and largest nerve in the body measuring three-quarters of an inch in diameter. The sciatic nerve originates in the sacral plexus; a network of nerves in the lumbosacral spine. The lumbosacral spine refers to the lumbar spine and the sacrum combined. The nerve and its nerve branches enable movement and feeling (motor and sensory functions) in the thigh, knee, calf, ankle, foot and toes.
The sciatic nerve exits the sacrum (pelvic area) through a special neuroforamen called the sciatic foramen. At the upper part of the sciatic nerve, two branches form; the articular and muscular branches. The articular branch supplies the hip joint. The muscular branch serves the leg flexor muscles; muscles that enable movement.
Other aspects of the sciatic nerve include nerves that supply motor (movement) and sensory (feeling) function to the thigh, knee, calf, ankle, foot and toes; the peroneal nerves and the tibial nerves. The peroneal nerves originate from the nerve roots at the fourth and fifth lumbar spine (L4-5) and first and second levels of the sacrum (S1-2). After the peroneal nerves leave the pelvis, they travel down the front and side of the leg, and along the outer side of the knee, to the foot. The tibial nerves originate from the nerve roots at L4-5 and S1-3. The tibial nerves pass in front of the knee and downward into the foot (heel, sole, toes).
The sciatic nerve is the longest and largest nerve in the body measuring three-quarters of an inch in diameter. The sciatic nerve originates in the sacral plexus; a network of nerves in the lumbosacral spine. The lumbosacral spine refers to the lumbar spine and the sacrum combined. The nerve and its nerve branches enable movement and feeling (motor and sensory functions) in the thigh, knee, calf, ankle, foot and toes.
The sciatic nerve exits the sacrum (pelvic area) through a special neuroforamen called the sciatic foramen. At the upper part of the sciatic nerve, two branches form; the articular and muscular branches. The articular branch supplies the hip joint. The muscular branch serves the leg flexor muscles; muscles that enable movement.
Other aspects of the sciatic nerve include nerves that supply motor (movement) and sensory (feeling) function to the thigh, knee, calf, ankle, foot and toes; the peroneal nerves and the tibial nerves. The peroneal nerves originate from the nerve roots at the fourth and fifth lumbar spine (L4-5) and first and second levels of the sacrum (S1-2). After the peroneal nerves leave the pelvis, they travel down the front and side of the leg, and along the outer side of the knee, to the foot. The tibial nerves originate from the nerve roots at L4-5 and S1-3. The tibial nerves pass in front of the knee and downward into the foot (heel, sole, toes).
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