ANAT 1607 Exam 2 Spinal Anatomy Review (Dr. Hassani)

ANAT 1607 Exam 2 Spinal Anatomy Review (Dr. Hassani) -...

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Spinal Anatomy Clinical Notes Part 1: Sciatica : Pain in lower back and hip, often caused by: A herniated lumbar IV disc that compresses L5 or S1 component of Sciatic Nerve. MCC (most common cause) of Sciatica : IV foramina in Lumbar region decrease in size,  Lumbar Nerve increases in size, bone spurs (osteophytes) developing around ZGP joints or posterolateral margins during aging narrow the foramina, cause shooting pains in lower limb. Spinal Anatomy Clinical Notes Part 2: 1. Dislocation of Cervical Vertebrae: Because of their more horizontally oriented articular facets, Cervical Vertebrae are less tightly interlocked than the other vertebrae. Cervical vertebrae, stacked like coins can be dislocated in neck injuries with less force than is required to fracture them. Because of large Vtb. Canal in the cervical region, slight dislocation can occur without damaging the spinal cord. Severe dislocation, or combined with fractures can injure the spinal cord. 2. Spina bifida: MCC is folic acid deficiency . Common congenital anomaly of Vtb. Column is spina bifida Occulta , in which neural arches of L5 and/or S1 fail to develop normally and fuse posterior to the vertebral canal. This bony defect usually occurs in the Vtb. arch of L5 and/or S1.The defect is concealed by skin, but its location is often indicated by a tuft of hair. Most people with spina bifida occulta have no back problem. In severe types of spina bifida, Spina bifida cystic: one or more vertebral arches may fail to develop completely. If spina bifida cystica is associated with herniation of meninges (meningocele) and/or spinal cord = Meningomyelocele. Severe forms of spina bifida result from Neural tube defects, such as the defective closure of the neural tube during 4th week of embryonic development. 3. Scoliosis (crookedness or curved back): abnormal lateral curvature that is accompanied by rotation of the vertebrae. The spinous processes turn toward the cavity of the abnormal
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ANAT 1607 Exam 2 Spinal Anatomy Review (Dr. Hassani) -...

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