Correcting movement problems : the power of opening a neurological window to change the brain's cortical representation.

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doctorallen.co
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Our podcast is on iTunes and just about every other podcast harbor site, just google "the gait guys podcast", you will find us.

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iTunes page:
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Show notes:

Hop strength
https://www.ncbi.nlm.nih.gov/pubmed/30844991
J Strength Cond Res. 2019 May;33(5):1201-1207. doi: 10.1519/JSC.0000000000003102.
Reactive Strength Index and Knee Extension Strength Characteristics Are Predictive of Single-Leg Hop Performance After Anterior Cruciate Ligament Reconstruction.Birchmeier T1, Lisee C1, Geers B2, Kuenze C


https://www.ncbi.nlm.nih.gov/pubmed/28605231

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6110230/pdf/jpts-30-1069.pdf

** Our PODcast disclaimer:
This podcast is for general informational purposes only. It does not constitute the practice of medicine, nursing, rehab, treatment, therapy recommendations or anything of the sort. This podcast should not replace proper medical advise that should only be attained through proper medical channels that would entail a full medical  and/or biomechanical physical examination and/or appropriate diagnostic testing. No doctor-patient relationship is formed by listening to this podcast or any information gleaned from our writings or social media work.
The use of this information and the materials linked to the podcast is taken at the users own risk. This podcast and the content shared is not intended to replace or be a substitute for appropriate professional medical advise diagnosis or treatment. Users should not disregard or delay obtaining medical advice for any condition they have and should seek the advice and assistance from their providers for any such conditions.

Remapping the Cortex: How Rehab Exercise does it.

Below are two studies that we recently incorporated into 2 neurologic gait cases during one of our global teleseminars on www.onlineCE.com.  You can find that lecture there in a few weeks but we have dozens of our other presentations available there presently. 

Injury to a body part starts a reorganization of the brain cortex. We know this occurs from a plethora of studies but most of them are based on injury induced changes and not from treatment-induced means.  These studies support the treatment induced changes that occur in the central nervous system, and they are profound and give us comfort and validity in our work. The findings of these studies should not be a shock to you if you are in the work of manual therapy and rehab. 

The one study used transcranial magnetic stimulation to map the cortical motor output area of a hand muscles on both sides in 13 stroke patients in the chronic stage of their illness before and after a 12-day-period of constraint-induced movement therapy.

What they found was “post treatment the muscle output area size in the affected hemisphere was significantly enlarged, corresponding to a greatly improved motor performance of the paretic limb”. As the study showed, this suggested a recruitment of adjacent brain areas. Even at 6 month follow up examinations “the motor performance remained at a high level, whereas the cortical area sizes in the 2 hemispheres became almost identical, representing a return of the balance of excitability between the 2 hemispheres toward a normal condition.”

The second study (2) looked at limb immobilization in 10 right-handed subjects with right upper extremity injury that required at least 14 days of limb immobilization. Subjects underwent 2 MRI examinations post injury, 48 hours and 16 days post immobilization. Cortical thickness of sensorimotor regions and FA of the corticospinal tracts was measured.  The findings showed “a decrease in cortical thickness in the left primary motor and somatosensory area as well as a decrease in FA in the left corticospinal tract. In addition, the motor skill of the left (noninjured) hand improved and is related to increased cortical thickness and FA in the right motor cortex.”

These studies suggest the findings are associated with skill transfer from the right to the left hand. It was suggested that immobilization induces rapid reorganization of the sensorimotor system. 

Rehab works, but everyone here on The Gait Guys already knew that. It is just nice to know the specifics of “how”.  

Please go to these articles and get the specifics for yourself. Don’t take our word for it ! 

references:

1. Stroke. 2000 Jun;31(6):1210-6.Treatment-induced cortical reorganization after stroke in humans. Liepert J1, Bauder H, Wolfgang HR, Miltner WH, Taub E, Weiller C.

2. Langer N, et al “Effects of limb immobilization on brain plasticity"Neurology 2012; 78: 182–188.

 

Podcast 58: Brain Mapping Injuries, Muscle Activation & Sleep

The intricacies of how the brain maps a compensation pattern.

A. Link to our server:

Direct Download: 

http://traffic.libsyn.com/thegaitguys/pod_58f.mp3

Permalink: 

http://thegaitguys.libsyn.com/podcast-58-brain-mapping-injuries-muscle-activation-sleep

B. iTunes link:

https://itunes.apple.com/us/podcast/the-gait-guys-podcast/id559864138

C. Gait Guys online /download store (National Shoe Fit Certification and more !) :

http://store.payloadz.com/results/results.aspx?m=80204

D. other web based Gait Guys lectures:

www.onlinece.com   type in Dr. Waerlop or Dr. Allen,  ”Biomechanics”

_______________
Today’s Show notes:
Neuroscience pieces:
1. Gait Posture. 2013 Jul;38(3):549-51. doi: 10.1016/j.gaitpost.2013.02.008. Epub 2013 Mar 11.

Altered gait termination strategies following a concussion.

2. lack of sleep, brain damage……… honor  your recovery days and as importantly, honor the things that make you a better runner, that includes sleep !!!!!

4. New minimalist casual shoes:

Zed’s