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Exactly!! So as we dont have a baseline, dispite a physic's definition and calculations, we cannot currently quantify the level of "stiffness" present. Just as we have no baseline for "hypermobility".
The question is, will there ever be a study carried out on an adequate number of participants, using acceptable methods, to set such a baseline?
I would suggest you read this article to see the many reasons why "hypermobility" is poor terminology for describing the load vs deformation characteristics of the first ray.
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Sincerely,
Kevin
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Kevin A. Kirby, DPM
Adjunct Associate Professor
Department of Applied Biomechanics
California School of Podiatric Medicine at Samuel Merritt College
Thanks for the information.
It seems that "stiffness" and "compliance" are terms that can be used to accurately describe the mobility of joints, in particular the 1st ray. In addition, knowing precisely the degree of "stiffness" present, will aid in the manufacture of orthoses.
As the study did point out, clinicans and patients may be confused as to the use of the term "stiffness". Due to their assuming this means the joint in question has "less mobility than necessary for proper function". Therefore, clients will need clear explanations as to the use of such terminology (an important point as patient's compliance with orthotic treatment depends greatly on their knowledge and understanding of their condition and the reasons certain devices were chosen). So maybe a set of posters with the info for waiting rooms, etc? Accompanied by clinician education, of course.
However, I feel that in the case of client who do have ligamentous laxity / due to anatomical factors have increased laxity of the plantar and dorsal ligaments in more than just the 1st ray/MTJ a term such as "hypermobility" be used to describe excessive ROM in the lower limb joints.
Simon, I'd love to look at your research once completed, please.
Cheers
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I hope the term doesn't end up being hyperdistorting 1st Ray, it will sound too much like a guitar pedal..Maybe were getting too close to physics and too far from medical terminology. I understand that it's not moving around of it's own accord excessively (hypermobile)', but has an excessive ROM compared to a 'norm'. Is it not mainly joint laxity (hyperlax) Gee that one might sound like a tablet one takes to aid gut motility...
Re: Is "hypermobile" acceptable terminology?
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