Static ankle joint equinus: toward a standard definition and diagnosis.

Abstract:

:Equinus is characterized by reduced dorsiflexion of the ankle joint, but there is a lack of consensus regarding criteria for definition and diagnosis. This review examines the literature relating to the definition, assessment, diagnosis, prevalence, and complications of equinus. Articles on equinus and assessment of ankle joint range of motion were identified by searching the EMBASE, Medline, PubMed, EBSCOhost, Cinahl, and Cochrane databases and by examining the reference lists of the articles found. There is inconsistency regarding the magnitude of reduction in dorsiflexion required to constitute a diagnosis of equinus and no standard method for assessment; hence, the prevalence of equinus is unknown. Goniometric assessment of ankle joint range of motion was shown to be unreliable, whereas purpose-built tools demonstrated good reliability. Reduced dorsiflexion is associated with alterations in gait, increased forefoot pressure, and ankle injury, the magnitude of reduction in range of motion required to predispose to foot or lower-limb abnormalities is not known. In the absence of definitive data, we propose a two-stage definition of equinus: the first stage would reflect dorsiflexion of less than 10 degrees with minor compensation and a minor increase in forefoot pressure, and the second stage would reflect dorsiflexion of less than 5 degrees with major compensation and a major increase in forefoot pressure. This proposed definition of equinus will assist with standardizing the diagnosis and will provide a basis for future studies of the prevalence, causes, and complications of this condition.

journal_name

J Am Podiatr Med Assoc

authors

Charles J,Scutter SD,Buckley J

doi

10.7547/1000195

subject

Has Abstract

pub_date

2010-05-01 00:00:00

pages

195-203

issue

3

eissn

8750-7315

issn

1930-8264

pii

100/3/195

journal_volume

100

pub_type

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