Spine and TrunkFINAL

Spine and TrunkFINAL - The Back, Spine, Spinal Column,...

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The Back, Spine, Spinal Column, Vertebral Column Back - posterior portion of body from skull to pelvis, including spinal column and its attached muscles and fascia Vertebral column (spine, spinal column) - consists of series of bones called vertebrae and often infers the soft tissues (muscles, etc.) of the bones Functions of vertebral column : support - body weight, transmit forces protection - spinal cord movement - linked chain, muscles, bones Associated Function - maintain posture
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SPINAL COLUMN 7 Cervical Vertebrae 12 Thoracic Vertebrae 5 Lumbar Vertebrae Sacrum (5 fused) Coccyx (3-5 fused) 24 moveable vertebrae Primary (conc ant) vs. Secondary Curves Function? Lordosis - bend back (C, L) Kyphosis - conc ant. (T, S)
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Scoliosis - lateral curvature
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Functional Components of a Vertebra A typical vetebra consists of a vertebral body and vertebral arch (posterior arch) : Vertebral body – large anterior portion of the vertebra that supports the weight. Bodies are connected to one another by fibrocartilaginous intervertebral discs forming a flexible column. Transverse diameter of the vertebral bodies increase from C2 to L3.
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Vertebral arch consists of: Pedicles - connect body w/ vertebral arch (protect cord) and can transfer loads between posterior arch to vertebral body and vice versa Laminae are continuous with pedicles
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Spine and TrunkFINAL - The Back, Spine, Spinal Column,...

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