Why the Term "First Ray Hypermobility" Should Become Extinct

Kevin Kirby · Apr 1, 2017

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For those interested, I just had an article published "Why the Term 'First Ray Hypermobility' Should Be Extinct" in the April 2017 issue of Podiatry Today.

http://www.podiatrytoday.com/why-term-‘first-ray-hypermobility’-should-be-extinct

Admin2 · Apr 2, 2017

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NewsBot · Feb 5, 2019

Is it still current to talk about first ray hypermobility?
Umberto Alfieri Montrasio et al
Acta Biomed 2019; Vol. 90, Supplement 1: 32-35

Since the time of D. Morton in clinical evaluation we talked about the concept of hypermobility as
a cause of diseases such as hallux valgus. To date, this concept has been deepened in order to better understand
the pathological mechanisms that create deformity, in order to identify the most appropriate prevention and
correction procedures. Physics introduced the concept of stiffness, a property that also belongs to the podalic
structures. Changing the terminology is difficult, but the knowledge of biomechanics requires the elimination
of the term hypermobility because it resultsinconsistent with the physics applied to the foot, in favor of the
terms stiffness and compliance. These clarifications make it possible to us to deepen even more specific and
timely therapeutic choices, thus reducing the risk of iatrogenic complications which follows interventions on
the first ray.
Click to expand...

NewsBot · Jun 5, 2022

An Operational Definition of First Ray Hypermobility
Ward M Glasoe
Foot Ankle Spec. 2022 Jun 3

Background: The first ray (metatarsocuneiform) behaves as a load-bearing strut in supporting weight. Due to its functional importance, stress-testing techniques are used to assess the stability of the first ray and objectify evidence of hypermobility. The test and measurement of first ray hypermobility (FRH) is of interest to clinicians and researchers. The condition itself, however, has proven elusive to diagnose. This article defines FRH for the purpose of improving the consistency by which the diagnosis is made. Currently, the lack of a consensus definition prevents research from determining the incidence rates and prevalence of FRH, a commonly reported medical condition.

The definition: Symptomatic FRH presents as dorsal displacement that measures greater than 8 mm, accompanied with signs and symptoms consistent with loading insufficiency of the first ray. The operational definition is objective and if adopted across health care professions, the criterion could become the standard for identifying FRH in patients and research participants.
Click to expand...

efuller · Jun 6, 2022

FRH = first ray hypermobility. "The definition: Symptomatic FRH presents as dorsal displacement that measures greater than 8 mm, accompanied with signs and symptoms consistent with loading insufficiency of the first ray."

That is a really weak definition. dorsal displacement relative to ???

How often do you see low dorsiflexion stiffness at the "usual" end of range of motion in children as opposed to adults? Is decreased dorsiflexion stiffness the result of high first mpj loads rather than the "cause" of STJ pronation?

Why the Term "First Ray Hypermobility" Should Become Extinct

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Why the Term "First Ray Hypermobility" Should Become Extinct

Kevin Kirby MVP

Admin2 Administrator Staff Member

NewsBot The Admin that posts the news.

NewsBot The Admin that posts the news.

efuller MVP

Measures for Identifying changes in 1st ray dorsiflexion stiffness in terms of discreet plantar pres

Second intermetatarsal space syndrome

Anatomy of the Plantar Intermetatarsal Tunnel

Long term impact of the COVID-19 pandemic on the education of Podiatry students

Full Time, Fixed Term Podiatrist North West Tasmania

Terminal Syme amputation in kids for ingrown toenail

Tendon terminology

Share This Page

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