The Spinal Column - • The spine is"C" shaped in...

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The Spinal Column Principal Functions: To protect the spinal cord To transfer loads from the head and trunk to the pelvis To act as a shock absorber For stability For mobility Overall Structure: 7 cervical vertebrae 12 thoracic vertebrae 5 lumbar vertebrae sacrum coccyx
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Shape of Curves In the Sagittal Plane: o cervical spine - convex forward o thoracic spine - convex to the rear o lumbar spine - convex forward o sacrum - convex to the rear o coccyx - convex to the rear
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Unformatted text preview: • The spine is "C" shaped in the sagittal plane before birth – fetal position • The cervical and lumbar curves develop during early childhood o this is due to upright bipedal locomotion which is load bearing • Vertebral bodies increase in size o important for increased weight bearing from the cervical to the lumbar spine • There are two articulations: 1. between vertebral bodies 2. between pairs of vertebral arches...
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