VERTEBRA STRCTURE AND FUNCTIONBiomechanics of spinePhysiotherapy Tutorial

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http://youtube.com/watch?v=p1Lf_iafOjQ

VERTEBRA STRCTURE AND FUNCTION(BIOMECHANIS OF SPINE)Physiotherapy Tutorial • Instagram: / _movementscience_ • • linked in : / adhip-nadkarni-5b45241a6 • twitter : / adhip_nadkarni • summary of the video with the time for reference: • 1.Spine 0:55 • -33 vertebra • -23 intervertebral disc • -cervical vertebra-7 • -thoracic vertebras-12 • -lumbar vertebras-5 • -sacral vertebras-5 • -coccygeal vertebras-4 • -primary curvature • kyphotic curve at thoracic and sacral spine • -secondary curvature • lordotic curvature formed at cervical and lumbar spine • 2.Vertebral body 3:40 • -formed by trabecular bone and covered by cancellous bone • -resists compressive forces due to arrangement of trabeculae • 3.Pedicle 4:47 • -connects the body to posterior elements • -short and thick walls • -transmits bending forces to the body • 4.Articular surfaces 6:05 • -Facet joints • -2 superior facet • -2 inferior facet • -superior facet articulate with inferior fact of the next vertebra • -forms an articular pillar • 5.Spinous process 7:20 • -posterior projection • -forms from the lamina • -provides attachment to the muscle and also serves as a bony block • 6.Vertebral Foramen 9:22 • -formed by lamia around it • -protects the spinal cord and provides a passage • 7.Lamina 9:41 • -Pars inter-articularis goes through lot of bending forces and has high risk of stress fracture • -these forces come from spinous process, transverse process, articular processes too • 8.Transverse process 12:12 • -lateral projection • -Increases the moment arm • #biomechanicsofspine • #spinebiomechanics • #vertebralcolumnbiomechanics

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