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Lordosis is historically defined as an abnormal inward curvature of the lumbar spine. [1] [2] However, the terms lordosis and lordotic are also used to refer to the normal inward curvature of the lumbar and cervical regions of the human spine. [3] [4] Similarly, kyphosis historically refers to abnormal convex curvature of the spine.
Kyphosis (from Greek κυφός (kyphos) 'hump') is an abnormally excessive convex curvature of the spine as it occurs in the thoracic and sacral regions. [1] [2] Abnormal inward concave lordotic curving of the cervical and lumbar regions of the spine is called lordosis.
Inspect for: normal cervical and lumbar lordosis and normal thoracic kyphosis. Whilst standing beside the patient place your index finger on one of the lumbar vertebral spinous processes, and your middle finger on the next one down and ask the patient to bend over and touch their toes, keeping their legs straight.
Cervical (spondylotic) myelopathy, [18] a syndrome caused by compression of the cervical spinal cord which is associated with "numb and clumsy hands", imbalance, loss of bladder and bowel control, and weakness that can progress to paralysis. Pinched nerve, [19] causing numbness.
Looking directly at the front or back of the body, the 33 vertebrae in the spinal column should appear completely vertical. From a side view, the cervical (neck) region of the spine (C1–C7) is bent inward, the thoracic (upper back) region (T1–T12) bends outward, and the lumbar (lower back) region (L1–L5) bends inward.
The compression even be dynamic, where compression may only be present during certain activities and positions. [1] In deep gluteal syndrome, patients often have sciatic radiculopathy when sitting but not standing. [10] Studies on compression and nerve function have found a dose-respondent relationship between pressure and duration.
Normal person [left] vs Kyphosis patient [right] Scoliosis [left] vs Normal [right] RSP could be a symptom of some medical conditions, such as kyphosis, scoliosis or ankylosing spondylitis. [23] Kyphosis is a spinal disorder that contributes to excessive curvature of the upper back, [24] leading to a hunched posture and RSP.
Nerve compression syndrome, or compression neuropathy, or nerve entrapment syndrome, is a medical condition caused by chronic, direct pressure on a peripheral nerve. [1] It is known colloquially as a trapped nerve , though this may also refer to nerve root compression (by a herniated disc , for example).