natural apophyseal glides

natural apophyseal glides (NAGs) (naˑ·ch·rl ·pˑ·f·sēˈ·l glīdzˑ),

n.pl mobilizations that can be sustained or midrange rhythmic, un-ilaterally or centrally applied by a practitioner in the upper thoracic and cervical spine. The practitioner is situated in a weight-bearing position, and the force's direction is applied along the facet treatment plane.
References in periodicals archive ?
Management of the upper cervical joint restriction was addressed by the application of specific Mobilisations with Movements (MWM's) termed sustained natural apophyseal glides (SNAGS) as described by Mulligan (1999) (Figures 2A-C).
Hall T, Chan HT, Christensen L, Odenthal B, Wells C and Robinson K (2007): Efficacy of a C1-C2 self-sustained natural apophyseal glide (SNAG) in the management of cervicogenic headache.

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