zygapophysis

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zygapophysis

 [zi″gah-pof´ĭ-sis]
the articular process of a vertebra.

ar·tic·u·lar pro·cess

[TA]
one of the bilateral small flat projections on the surfaces of the arches of the vertebrae, at the point where the pedicles and laminae join, forming the zygapophysial joint surfaces.

zygapophysis

(zĭg′ə-pŏf′ĭ-sĭs, zī′gə-)
n. pl. zygapophy·ses (-sēz′)
One of two usually paired processes of the neural arch of a vertebra that articulates with corresponding parts of adjacent vertebrae.

zyg′ap·o·phys′e·al, zyg′ap·o·phys′i·al (zĭg′ăp-ə-fĭz′ē-əl, zī′găp-) adj.

ar·tic·u·lar pro·cess

(ahr-tik'yū-lăr pros'es) [TA]
One of the bilateral small flat projections on the surfaces of the arches of the vertebae, at the point where the pedicles and laminae join, forming the zygapophysial joint surfaces.
Synonym(s): processus articularis [TA] , zygapophysis.

zygapophysis

any facets of vertebrae that articulate with each other - usually two anterior zygapophyses which articulate with two posterior zygapophyses of the vertebra. See VERTEBRAL COLUMN and Fig. 314 .
References in periodicals archive ?
Zygapophyseal joint adhesions after induced hypomobility.
Differential diagnosis considered at this time included cervical facetogenic pain, cervical radiculopathy, and degenerative zygapophyseal joint arthropathy.
An investigation into the production of intra-articular gas bubbles and increase in joint space in the zygapophyseal joints of the cervical spine in asymptomatic subjects after spinal manipulation.
Several small forms from China, like Keichousaurus hui Young 1958, Dianopachysaurus dingi Liu, Rieppel, Jiang, Aitchinson, Motani, Zhang, Zhou and Sun 2011, and Qianxisaurus chajiangensis Cheng, Wu, Sato and Shan 2012, present zygapophyseal pachyostosis, like the European pachypleurosaurs (Lin and Rieppel, 1998; Liu et al., 2011; Cheng et al., 2012).
Local inflammation of the axial spine in AS affects dorsal ramus branches that innervate zygapophyseal joints and periosteum of the vertebral arch, and cause the 'inflammatory radiculopathy' via the action of inflammatory mediators, even without mechanical compression.
It was lumbosacral junction and moved laterally and angled pillows were used to slightly medially until flatten the lumbar curve the L4/5 zygapophyseal to less than 10[degrees].
Headache may arise from various structures of the cervical spine containing the zygapophyseal joints (occiput-C1 C2 C3) [3 4].
The facet or zygapophyseal joint is the only true synovial joint of the spine.
Magnetic resonance imaging zygapophyseal joint space changes (gapping) in low back pain patients following spinal manipulation and side-posture positioning: A randomized controlled mechanisms trial with blinding.
This has been validated for the management of zygapophyseal joint pain, having been shown to improve pain and function, and has good long term reproducibility.
Alburquerque-Sendin, "Changes in pressure pain thresholds over C5-C6 zygapophyseal joint after a cervicothoracic junction manipulation in healthy subjects," Journal of Manipulative and Physiological Therapeutics, vol.
Figure 1, point A (lumbar zygapophyseal joint): by correlating MRI/X-ray image findings with patients symptoms, the lumbar disc level for therapy is selected.