| Congenital spondylolysis | A type of defect that occurs when there is a predisposed weakness in the pars interarticularis
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| Contranutation | The anterior rotation of the ilium on the sacrum.
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| Developmental spondylolysis | A type of defect that occurs as the result of a fracture in the pars due to continued micro-traumas, which weaken the structure. The micro-traumas can occur from a variety of sources, including postural conditions, various activities, and repetitive movement patterns
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| Facet joint syndrome | Low-back pain that is caused from a dysfunction in the facet joints of the spine.
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| Nutation | The posterior rotation of the ilium on the sacrum.
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| Sacroiliac joint (SIJ) dysfunction | Misalignment of the sacroiliac joint, which can result in damage to the joint and thus cause pain.
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| Spondylolisthesis | The forward slippage of one vertebra on another and the spine's inability to resist the shear force associated with this shifting
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| Spondylolysis | A defect or break in an area of the vertebra between the superior and inferior facets of the vertebral arch known as the pars interarticularis
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