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Intravenous drug abuser is a red flag for cauda equina syndrome

Red flags of back related tumor include

Non mechanical back pain is caused by

The sacroiliac joints do permit motions but only in extremely small amounts

Nautation occurs by

Consternation occurs by posterior sacral on iliac rotation or anterior iliac on sacral rotation or both motions performed simultaneously

Asymmetrical motions occurs during asymmetrical tasks as ambulation

Extruded hernations may have a better prognosis than a bulging disc

Axial rotation combined with lateral flexion increase vulnerability of posterior disc herniation

The chance of experiencing a herniated disc tends to be greater in the morning xhen the nucleus contains its smallest daily water content

Repetitive extension of lumbar spine very likely increase vulnerability of posterior or posterior lateral disc herniation

Disc herniation can be caused by a large, sudden force delivered aganist an otherwise relatively healthy lumbar spine

L4 nerve root exits between L3 and L4 vertebrae

Cauda equinasyndrome include

Annulus is intact, but nucleus and annulus are both outside boundaries of the disc. This condition refers to

Sequestration is cut in the annulus and extension of nuclear material outside annulus

Spondlosis is thought to begin in the annulus fibrosis

Retrolisthesis is forward deplacement of one vertebra above an another vertebra below