Repetitive movements in the wrists and hands, such as typing, can cause swelling in the carpal tunnel and compression of the median nerve, resulting in carpal tunnel syndrome (CTS) ( 4). The herniated disc and associated inflammation and swelling can pinch spinal nerves, often causing radiating pain in the leg. Repetitive movements, such as bending or twisting with poor posture, can compress the disc between two vertebrae, causing the inner contents of the disc to leak, or herniate, out. Poor posture and poor body mechanics may also cause disc herniation. Thoracic outlet syndrome occurs when these structures are compressed by a rib, a collarbone, or tight musculature, which can be a sequelae (medical consequence) of poor posture ( 3). The area in which nerves and blood vessels exit the neck en route to the arm is called the thoracic outlet ( 3). Poor posture, especially in the neck and shoulders, can compress the nerves that exit the upper spinal cord and run along the arms. An example is the ulnar nerve at the elbow, which runs between two bony structures and is protected by just a thin band of soft tissue known as the retinaculum. Nerve compression is more likely in areas in which there’s minimal soft tissue to protect the nerve. Nerves are more likely to be compressed when they traverse narrow spaces, like the nerves that exit the spinal column, or the median nerve that traverses the carpal tunnel of the wrist. Complications from surgery can also cause nerve compression.
A pinched nerve can arise from poor posture, poor body mechanics, repetitive movements, prolonged positions, soft tissue (muscle, tendon, ligament, fascia) tightness, or inflammation due to injury.
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