The Human Back Anatomy

Back muscles are arranged in several layers so they are divided into deep and superficial which in turn are arranged in two layers. The spine also known as the vertebral column or spinal column is a column of 26 bones in an adult body 24 separate vertebrae interspaced with cartilage and then additionally the sacrum and coccyx.

Human Muscle System Functions Diagram Facts Britannica

The back muscles enable you to stand up straight.

The human back anatomy. It is the surface of the body opposite from the chest. Thoracic mid back the main function of the thoracic spine is to hold the rib cage and protect the heart and lungs. The articulating vertebrae are named according to their region of the spine.

The five lumbar vertebrae are numbered l1 to l5. The back anatomy includes some of the most massive and functionally important muscles in the human body. And reach pull and extend your arms and torso.

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. Anatomical diagrams of the spine and back. The fluid has several functions and one of them is shock absorption.

By the middle line of the back is a longitudinal groove back sulcus dorsi. Support and protect your spine. First are the vertebrae of the spine and underneath those are three layers of tough membrane called the meninges.

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. Lumbar low back the main function of the lumbar spine is to bear the weight of the body. The vertebral column runs the length of the back and creates a central area of recession.

The upper twenty four are articulating and separated from each other by intervertebral discs and the lower nine are fused in adults five in the sacrum and four in the coccyx or tailbone. In a humans vertebral column there are normally thirty three vertebrae. The spinal cord and its nerves are the means by which the body and brain communicate with one another.

It unites the osteology arthrology and myology of the spine and back. Spinal anatomy and back pain spinal anatomy is a remarkable combination of strong bones flexible ligaments and tendons large muscles and highly sensitive nerves. The twelve thoracic vertebrae are numbered t1 to t12.

It is designed to be incredibly strong protecting the highly sensitive nerve roots yet highly flexible providing for mobility on many different planes. Together the brain and spinal cord make up the central nervous system. The spines four sections from top to bottom are the cervical neck thoracic abdomen lumbar lower back and sacral toward tailbone.

The range of motion in the thoracic spine is limited. The meninges surround both brain and spinal cord and are filled with a liquid called cerebrospinal fluid. Still many individuals pay far too little attention to them.

It is consequently of particular interest to physiotherapists. Chinese atlas of human anatomy.

The Human Body In 3d Tum