1、腰椎间盘突出症腰椎间盘突出症lumbar disc herniation , LDH 广西医科大学第一临床医学院外科学教研室 杨劲松 主讲lStructural support and balance for upright postureFunctions of the Spinel Protection Spinal cord and nerve rootsFunctions of the Spine Internal organsl Flexibility of motion in six degrees of freedomFunctions of the SpineLeft and
2、RightSide BendingFlexion and ExtensionLeft and Right RotationVertebral StructuresBodyPedicleLamina Superior Articular ProcessSpinousProcessTransverse ProcessVertebral ForamenVertebral Structuresl Articular processes Superior Articular Processl Pars interarticularisInferior Articular ProcessZygapophy
3、seal Joint(Facet Joint)Lumbar Vertebrael Body - L1 to L5 progressive increase in massl Pedicles - longer and wider than thoracic; oval shapedl Spinous processes - horizontal, square shapedl Transverse processes - smaller than in thoracic regionl Intervertebral foramen - large, but with increased inc
4、idence of nerve root compressionl Intervertebral DiscVertebral Structuresl End Plate Cartilaginous Bonyl Fibrocartilaginous joint of the motion segmentl Makes up the length of the spinal columnl Present at levels C2-C3 to L5-S1l Allows compressive, tensile, and rotational motionIntervertebral Disc Intervertebral Discl Annulus Fibrosus Outer portion of the discLamellael Great tensile strength Made up of lamellaeAnnulus Fibrosus Layers of collagen fibersl Arranged obliquely 30 l Reversed contiguous layers
