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MBT rocker sole footwear, for hallux limitus?

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  #31  
Old 24th March 2012, 10:51 PM
Boots n all Boots n all is offline
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Default Re: MBT rocker sole footwear, for hallux limitus?

Podiatry Arena members do not see these ads
Dont confuse this type rocker sole with the marketed rocker sole by MBT and others as their main feature that has caused(?) so many issues is the S.A.C.H and the instability this can cause for some, not the forefoot rocker.

Abstract as promised..........

Effect of rocker soles on plantar pressures and lower extremity biomechanics

Dennis J. Janisse, C.Ped.
Jacqueline J. Wertsch, M.D.
Gerald F. Harris, Ph.D.
John P. Klein, Ph.D.
David W. Brown, B.S.

Hypotheses/Purpose
The rocker sole is the most commonly prescribed external shoe modification. The purpose of this study is to analyze how rocker soles redistribute plantar and suprasegmental forces and affect the timing of these forces. Our hypothesis is that rocker soles not only affect plantar pressures but also have suprasegmental effects.

Conclusions/Significance
A significant decrease in peak pressures and pressure time integral was seen under first through fourth metatarsal heads with all three rockers. Kinematic changes are seen in sagittal plane throughout the lower extremity; more significant kinematic change is seen at the hip and ankle than at the knee. Increased cadence and decreased stride length was noted with the toe-only rocker.

Summary of Methods/Results
A total of 40 subjects (ages 30-61, 20M/20F) participated weekly for a one-month evaluation period with the three types of rocker soles (toe-only rocker, negative heel rocker, and double rocker) randomly assigned.

The control shoe was used for weekly baseline measurements to allow comparison with rocker sole gait metrics. Multiple DMAPP (dynamics, motion and plantar pressure) analysis of insole plantar pressures and segmental foot, ankle, knee, hip and pelvis 3-D gait metrics (kinematic and kinetic, dynamic EMG) was done with both baseline and rocker shoes in three day-long weekly sessions for each subject with randomization of subjects and rocker soles.

A portable Holter in-shoe pressure data-acquisition system was used for measuring plantar pressure distribution during walking. The system continuously collected pressure data between foot and shoe from 14 sensors at a 60-Hz sample rate (per channel). The data reflects over 48,000 steps with comparisons considered significant at 0.01 confidence level. Gait analysis was acquired with each subject while walking at a comfortable and natural speed on a ten meter walkway.

A Vicon motion analysis system using six infrared video cameras and passive reflective markers were used to record and analyze joint kinematic data. Ground reaction forces were acquired with a strain gage force platform (AMTI,OR6-5) level with the walkway surface.
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  #32  
Old 25th March 2012, 04:12 PM
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alessandro costa alessandro costa is offline
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Default Re: MBT rocker sole footwear, for hallux limitus?

David, I will not be there but I'll be in the summerschool in manchester in june, will you be there? I'm really interested in this abstract because we don't really know if this shoes are working good, in wich are indications of prescription or wich cases we can't use it. of course who sells this shoes says the are good anyway, but that's just marketing. I'm trying joya shoes and I have my own impressions on my flat pronated feet..... thanks alessandro
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Old 26th March 2012, 02:51 PM
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Default Re: MBT rocker sole footwear, for hallux limitus?

l think and l dont know, but l would imagine the footwear was not a particular brand as the abstract states "external shoe modification" and they mention brand of the measuring equipment but not the shoe brand, so l would have thought they are standard shoes that were modified, no sales pitch.

Late last year l modified 20 pair of shoes for a research project, l doubt the brand of footwear will get a mention as they are testing the modification of the soles effects on the body not the shoe.

No l wont be attending the summer school.
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Old 27th March 2012, 05:33 AM
Dr Foot Solutions Dr Foot Solutions is offline
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Default Re: MBT rocker sole footwear, for hallux limitus?

Or David, you can use my abstract on all various clinical applications, but rejected by the NSW Podiatry conference, deemed unsuitable. Funny, cause they are the standout choice for most RA and OA feet, but weren't included in the footwear for RA feet study, presented at same conference 2 years ago. Interestingly, there are now approx 30 copies that I know of. In my clinic I have used these and other rocker/ micro wobbleboard footgear/devices for 7 years now, amongst other Tx modalities. Still learning all the time, can you believe that even some of the worst structural H/Limitus cases after suitable time AND gait retraining can now be moved towards minimal shoes to help restore correct function. Why? Because joint pain and inflammation have resolved with both the rocker and muscle activation and proprioceptive stimulating features. Do not underestimate the last 2, so important to restoring good foot function.If you know of another clinician who has more than my experience/expertise 7+ years, I would love to rap with them. Why would you think a triple arthrodesis would now have stronger feet/better joint position after 3 years wear AND the fixation hasn't failed? See why I say am continually learning. These people love being able to move across to Fitflops. Check out 2 videos on my website if interested. Hypermobility, they are a knockout for BUT not until you correct overstriding gait. Try "barefoot" walking gait training and most don't need bracing orthoses.And Tib Post cases can be great for if you know what you are doing, I often use a straight extended Varus wedge inside shoe, under a Barefoot Science insole, and the response from increased sensory stimulus can be dramatic. If you haven't supervised these people, in clinic, you would not dream that they respond so well to de-orthoticising. Correct gait technique is pivitol, but easier to change decades old gait patterns with different neurosensory feedback. I don't know too many Pods who say they think they can help an 88yr old, poor balance, 3 sets of recent functional orthoses, shocking spine,fusions, poor mobility post TKR post op infection and more. These are the sort of cases where these techniques can be profound, and I love seeing them smile, stand straighter and walk better when they leave the consult.
Forget about "Barefoot Running" until you reclaim "Barefoot Walking"for your patients. See MBT website for technique. By the way, did you know APOS is the Israeli knockoff with a difference? About $5K if my maths is correct, surgeons using these for post op knees. BUPA have at least 3 centres in UK+Singapore, but won't even pay a rebate here anymore, despite being TGA med grade fw classif. I will show a couple of interesting cases at IVO.
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Old 1st April 2012, 02:39 AM
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Default Re: MBT rocker sole footwear, for hallux limitus?

Sorry Bronwyn, l didnt attend your session, so much going on for me during IVO.

Having a little trouble following what your saying lets work backwards please.............

"By the way, did you know APOS is the Israeli knockoff with a difference? About $5K if my maths is correct, surgeons using these for post op knees. BUPA have at least 3 centres in UK+Singapore, but won't even pay a rebate here anymore, despite being TGA med grade fw classif...."

What is APOS ? google doesnt come up with any footwear under that?
Do you have a link?

What is about $5k in your maths?

"...can you believe that even some of the worst structural H/Limitus cases after suitable time AND gait retraining can now be moved towards minimal shoes.."

No offense, but no l cant believe that. Unless your gait retraining is to get them to walk aBducted? Unless the HL is not structural? or am l missing something?????

l agree with you there is always so much more to learn.
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  #36  
Old 20th May 2013, 08:04 PM
GMiller GMiller is offline
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Default Re: MBT rocker sole footwear, for hallux limitus?

sorry for the spam, posted by mistake and can't find the delete button
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