Major low back pain affecting the spinal cord and nerve roots Low back pain caused by changes in intervertebral discs, joints, and the ligamentum flavum is estimated to account for about 15% of all cases. These structural changes can lead to discomfort and reduced mobility. ► Disc Herniation     Disc herniation occurs when the soft inner part of the disc (nucleus pulposus) pushes through the outer layer (annulus fibrosus). This can press on nearby nerves, causing pain or numbness. It’s important to avoid staying in one position for too long, as this increases pressure on the disc. ► Spinal Stenosis     Spinal stenosis refers to the narrowing of the spinal canal, which can compress the spinal cord or nerves. There are two types: one from a bulging disc pushing forward, and another from thickened ligaments or joints pressing backward. If you experience numbness, weakness, or difficulty controlling your bladder or bowels, seek medical attention immediately.     Sciatica is characterized by pain that radiates from the lower back down the leg, often due to compression of the sciatic nerve. This can be triggered by tight muscles, such as the piriformis. Stretching or massaging the affected area may help relieve symptoms. Muscle stiffness can cause chronic pain     Prolonged muscle tension can lead to reduced blood flow, causing ischemia. This lack of oxygen and nutrients can result in the buildup of waste products that irritate nerves and trigger inflammation. The brain may respond by tightening the muscles further, creating a cycle that worsens the condition. ► Trigger Points     Chronic ischemia can cause muscle fibers to stiffen, forming what are known as trigger points. These areas can refer pain to other parts of the body and may also cause numbness or tingling. Applying pressure to these points can help relax the muscle and reduce pain. Your posture depends on the center of gravity of your feet     The human foot contains 56 bones, making up about a quarter of all the bones in the body. These bones help transmit sensory information about the ground to the brain. When your weight distribution shifts, your posture changes accordingly. Many people stand on their toes instead of their heels, leading to poor posture and increased stress on the nervous system.
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