The human spine is a complex anatomic structure that is the scaffolding for the entire body . It provides several important functions, including: Protecting the spinal cord and nerves. Structural support for the body, allowing us to stand upright. The spine supports about half the weight of the body. The Back is a intricate structure of bones,muscles and other tissues that forms the posterior parts of body from the neck to the hip and pelvis.The back that forms the core of back structure is called as spine and spinal column. There are total 33 pairs of vertebrae includes Cervical, thoracic, lumbar, sacrum and coccyx. Vertebrae supports the half of the body weight houses the spinal cord and nervous system
Components 1.Anterior- Front part of Body 2.Posterior- Back part of body 3.Superior- Refers to Head 4.Inferior- Refers to foot 5.Midline- Bilateral symmetry if a body is divisible into two equal halves left and right halves 6.Medial - Positions toward the midline 7.Lateral- Positions away from midline Reference is Elbow Joint in Upper limb 8.Proximal-Shoulder joint (upper part) 9.Distal- away from Elbow joint 10.Deep- furthest from surface 11.Superficial-Closest to the surface
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