M40: Kyphosis and lordosis

M40.5: Lordosis, unspecified

Lordosis, unspecified refers to a condition characterized by an abnormal inward curvature of the spine. This curvature is typically more pronounced in the lower back, though it can also affect the neck. It's a part of the body's natural alignment, but when it becomes excessive, it is considered a disorder. Common symptoms include noticeable arching of the back, gap between the floor and lower back when lying down, discomfort, and limited mobility. This condition can develop through various factors including sedentary lifestyle, obesity, poor posture, or diseases that damage the spine such as osteoporosis. Its progression may cause strain to the muscles and other structures of the lower back leading to pain and disability. Often, lordosis becomes evident during childhood or early adolescence. It's important to note that everyone's spine curves a little, but with lordosis, the swayback is prominent and may lead to excess pressure on the spine causing discomfort.