cervical, thoracic, lumbar, and sacral curvature.
The superior concave curve in the vertebral column is called the cervical lordosis.
Lumbar vertebral column
Kyphosis is an excessive outward curvature of the thoracic spine, causing a rounded or hunched posture. Scoliosis, on the other hand, is a lateral deviation or sideways displacement of the vertebral column, resulting in an S or C-shaped curve.
The lordotic curve, which includes the cervical and lumbar curves, is considered superior in the vertebral column. These curves help to maintain balance and absorb shock during movement.
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thoracic curvature and lumbar curvature
The S shaped curve of the structure and the intervertebral discs!
Primary curvature refers to the curvature of the spine in the sagittal plane, specifically in the thoracic and sacral regions. The primary curvatures are kyphotic, meaning they curve outward, with the thoracic spine curving posteriorly and the sacral spine curving anteriorly. These primary curvatures are present at birth and help to maintain balance and support the weight of the body.
Erector spinae are the muscles that move the vertebral column.It is the largest muscle mass of the back, forming a prominent bulge on either side of the vertebral column.It is the chief extensor of the vertebral column. It is also important in controlling flexion, lateral flexion and rotation of the vertebral column and in maintaining the lumbar curve, because the main mass of the muslce is in the lumbar region.Consists of: iliocostalis, longissimus and spinalis.Erector spinae are the muscles that move the vertebral column.
There are essentially 3 curves in the human spine: 1. Cervical lordotic curve 2. Thoracic kyphotic curve 3. Lumbar lordotic curve In summary the human spine has 2 lordotic curves and 1 kyphotic curve. If you are looking at a person sideways with their face facing towards your left, the lordotic curve is concave and the kyphotic curve is convex.
Primary curvature is the concave curve of the fetal vertebral column. This is apparent in the adult thoracic and sacral regions.
Humans have two vertebral curves, the primary curve and the secondary curve. The function of vertebral curves is to allow the body to cope with an even amount of weight to be distributed.