The lumbar region of the spine more commonly known as the lower back is situated between the thoracic or chest region of the spine and the sacrum. On this page youll learn about each of these muscles their locations and functional anatomy.
Lower Back Anatomy And Low Back Pain
The spines four sections from top to bottom are the cervical neck thoracic abdomen lumbar lower back and sacral toward tailbone.
Human anatomy of the back. The human back is the large posterior area of the human body rising from the top of the buttocks to the back of the neck and the shoulders. The twelve thoracic vertebrae are numbered t1 to t12. The meninges surround both brain and spinal cord and are filled with a liquid.
By the middle line of the back is a longitudinal groove back sulcus dorsi. Lumbar low back the main function of the lumbar spine is to bear the weight of the body. Thoracic mid back the main function of the thoracic spine is to hold the rib cage and protect the heart and lungs.
The spinal cord and its nerves are the means by which the body and brain communicate with one another. This human anatomy module is composed of diagrams illustrations and 3d views of the back cervical thoracic and lumbar spinal areas as well as the various vertebrae. The range of motion in the thoracic spine is limited.
First are the vertebrae of the spine and underneath those are three layers of tough membrane called the meninges. Along it are easily palpable spinous processes by palpation of the cervical vii and all lying below the vertebrae. Human body anatomy back view 12 photos of the human body anatomy back view anatomia humana anatomy online human anatomy diagrams human anatomy model human body anatomy organs human muscle diagram interactive human anatomy name the systems of the human body human anatomy anatomia humana anatomy online human.
Anatomical diagrams of the spine and back. The anatomy of your spine is divided into four sections. The five lumbar vertebrae are numbered l1 to l5.
The firm attachment of the rib cage at each level of the thoracic spine provides stability and structural support to the upper back and allows very little motion. Back muscles are arranged in several layers so they are divided into deep and superficial which in turn are arranged in two layers. Related posts of anatomy of the back organs human body anatomy back view.
The back anatomy includes the latissimus dorsi trapezius erector spinae rhomboid and the teres major. Together the brain and spinal cord make up the central nervous system. The thoracic spine upper back the 12 vertebral bodies in the upper back make up the thoracic spine.
It unites the osteology arthrology and myology of the spine and back. It is the surface of the body opposite from the chest. It is consequently of particular interest to physiotherapists.
The vertebral column runs the length of the back and creates a central area of recession.
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