Joint mobilization improves spatiotemporal postural control and range of motion in those with chronic ankle instability

Matthew C. Hoch, Patrick O. McKeon

Research output: Contribution to journalArticlepeer-review

120 Scopus citations


The purpose of this study was to examine the effects of a single joint mobilization treatment on dorsiflexion range of motion (DF ROM), posterior talar glide, and dynamic and static postural control in individuals with self-reported chronic ankle instability (CAI). In this randomized cross-over study, subjects received a Maitland Grade III anterior-to-posterior joint mobilization treatment and a control treatment of rest for 5min. Weight-bearing DF ROM, instrumented posterior talar displacement and posterior stiffness, the anterior, posteromedial, and posterolateral reach directions of the Star Excursion Balance Test (SEBT), and time-to-boundary (TTB) single-limb stance static postural control were assessed on both treatment days in 9 males and 11 females with CAI. The results indicated that the joint mobilization treatment was associated with significantly greater DF ROM (p=0.01) and TTB in the anterior-posterior direction with eyes-open (p<0.05). Although not significant, trends were identified in posterior talar displacement (p=0.08) and the mean of TTB in the medial-lateral (ML) direction (p=0.07). No significant differences were observed in the standard deviation of TTB in the ML direction, the SEBT, or posterior stiffness (p>0.05). This indicates that a single joint mobilization treatment has mechanical and functional benefits for addressing impairments in sensorimotor function and arthrokinematic restrictions commonly experienced by individuals with CAI.

Original languageEnglish
Pages (from-to)326-332
Number of pages7
JournalJournal of Orthopaedic Research
Issue number3
StatePublished - Mar 2011


  • ankle sprain
  • balance
  • dorsiflexion
  • manual therapy
  • sensorimotor system

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine


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