News: DMN: Jerry Jones: Jaylon Smith experiencing rejuvenated feeling regarding nerve in injured knee

Szczepanik

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The authority in which you speak on matters you couldn't possibly know makes me confident.

Doctorate Program in Physical Therapy taking elective courses in neurological/nerve rehab. I've been practicing and interpreting nerve conduction studies, electromyography and nerve regeneration for the past 2 semesters. Pretty cool stuff.

Then again it takes the worry away from Jaylon. There is only one type of nerve injury (potentially a second) that would prevent a full recovery in Jaylon under 2 years.Both of these nerve injury types would be easily identifiable by the surgeon on Jaylon.

A nerve fires, in an "all or nothing" pattern. It will either fire, or it won't. So Jerry is still hyping it up. There is no "kind of firing" .

He will be able to fire his nerve soon. Very similiar to the roots of a plant, the nerve will regenerate its axon (the root) and then regenerate its myelin (the covering over the axon) , then all will be good. It just is a matter of time before it happens, but it will happen.

He will be able to run just as fast as before, but he will need to practice turning the muscle on and off through timing/activation training in the offseason, so any hope of the superbowl is doubtful.
 

CATCH17

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The follow up question should have been if they anticipate Jaylon being ready by September next year.
 

big dog cowboy

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Jones said Tuesday that Smith has experienced signs of recovery.

"He does have the kind of feeling, the kind of rejuvenated, I'll use that word, feeling regarding his nerve," Jones said.
Diversion tactic.
 

FuzzyLumpkins

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Doctorate Program in Physical Therapy taking elective courses in neurological/nerve rehab. I've been practicing and interpreting nerve conduction studies, electromyography and nerve regeneration for the past 2 semesters. Pretty cool stuff.

Then again it takes the worry away from Jaylon. There is only one type of nerve injury (potentially a second) that would prevent a full recovery in Jaylon under 2 years.Both of these nerve injury types would be easily identifiable by the surgeon on Jaylon.

A nerve fires, in an "all or nothing" pattern. It will either fire, or it won't. So Jerry is still hyping it up. There is no "kind of firing" .

He will be able to fire his nerve soon. Very similiar to the roots of a plant, the nerve will regenerate its axon (the root) and then regenerate its myelin (the covering over the axon) , then all will be good. It just is a matter of time before it happens, but it will happen.

He will be able to run just as fast as before, but he will need to practice turning the muscle on and off through timing/activation training in the offseason, so any hope of the superbowl is doubtful.

Dude just has a problem with even the semblance of authority. Ignore him is my advice.
 

CalPolyTechnique

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Doctorate Program in Physical Therapy taking elective courses in neurological/nerve rehab. I've been practicing and interpreting nerve conduction studies, electromyography and nerve regeneration for the past 2 semesters. Pretty cool stuff.

Then again it takes the worry away from Jaylon. There is only one type of nerve injury (potentially a second) that would prevent a full recovery in Jaylon under 2 years.Both of these nerve injury types would be easily identifiable by the surgeon on Jaylon.

A nerve fires, in an "all or nothing" pattern. It will either fire, or it won't. So Jerry is still hyping it up. There is no "kind of firing" .

He will be able to fire his nerve soon. Very similiar to the roots of a plant, the nerve will regenerate its axon (the root) and then regenerate its myelin (the covering over the axon) , then all will be good. It just is a matter of time before it happens, but it will happen.

He will be able to run just as fast as before, but he will need to practice turning the muscle on and off through timing/activation training in the offseason, so any hope of the superbowl is doubtful.

I'm intrigued you seem to know the intimate details of his health status and prognosis for recovery as if you're privy to Jaylon's medical files and performed in-person examinations of him.

I do believe there is something to be said about our team doctor having done the surgery. But we also know that other teams' medical doctors examined Jaylon as well and came very different conclusions. Are we to believe these actual physicians practicing in the field aren't knowledgable of the timeline and recovery of this type of injury as a student who has looked at the subject for two semesters?

What do you mean when you say "all or nothing pattern?" Do you mean to say that if his nerve re-fires that he will have 100% functionality restored?

Is that right?
 
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black label

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Nobody has been more positive about Jaylon Smith's knee injury than Jerry Jones.
The Cowboys owner and general manager had more positive words to share Tuesday morning, the same day the team placed the rookie linebacker on the season ending injured reserve.

"We decided that it wasn't worth a continued observation and continued looking for Jaylon Smith to get to where he could really help us this year," Jones said of the decision on 105.3 The Fan's Shan and RJ show [KRLD-FM]. "We actually have almost two months before we would play in the ultimate game that if he were ready we'd like to have him."

Smith has been seen often working out around the team's practice facility. However, he's still waiting for the nerve in his surgically-repaired left knee to recover.

Jones said Tuesday that Smith has experienced signs of recovery.

"He does have the kind of feeling, the kind of rejuvenated, I'll use that word, feeling regarding his nerve," Jones said. "He is seeing those things that doctors really place a high value on, and plus just how he has established his work ethic, his rehab.

"He's been just a complete focused, real overachiever. And, of course, we know what kind of football player he is. He's arguably one of the better ones in the whole draft. He's a cornerstone for us for the future. And I feel real good about the future.

"As a matter of fact, if we weren't just forced to, I wouldn't put him on inactive today. But it does not make sense to give up a player that we know will be there to help us."


Continue reading...
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xwalker

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Unlikely. WHEN his nerve heals, which it will, he will have the capability to run at the speed to which he used to (from a nerve standpoint).
I'm referencing the complete injury.

It takes everything functioning perfectly for a 245 pound man to run a 4.5 forty.

Just the smallest thing could push a 4.5 down to a 4.8 forty. There are tons of college athletes that are in peak condition but can't run a 4.5 forty.

There really is no way to know that he didn't lose anything.

Applying studies of average people or even good college athletes is not a great predictor of how an elite athlete is affected.

I doubt if very many athletes of his caliber have had this exact injury to even have decent sample size of data.

It is great to hear that you don't think he will be affected. I assumed that his Doctor does not think it will affect him or the Cowboys wouldn't have used a 2nd round pick on him.
 

kumizi

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Dr. Jerry just making up so bull. Ever the salesman.
 

dogunwo

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And as such, it is now time for "the airing of grievances". :grin:

Sure wish Jerry would shut his pie hole once in a while as far as medical conditions are concerned.
Why? I think most fans would rather hear something than nothing. I have said it before, the Dr. Jerry Jones jokes are tired. He is relaying information, not creating it. There is no one else that you are going to feel is qualified that will talk about it from the organization.
 

plymkr

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Doctorate Program in Physical Therapy taking elective courses in neurological/nerve rehab. I've been practicing and interpreting nerve conduction studies, electromyography and nerve regeneration for the past 2 semesters. Pretty cool stuff.

Then again it takes the worry away from Jaylon. There is only one type of nerve injury (potentially a second) that would prevent a full recovery in Jaylon under 2 years.Both of these nerve injury types would be easily identifiable by the surgeon on Jaylon.

A nerve fires, in an "all or nothing" pattern. It will either fire, or it won't. So Jerry is still hyping it up. There is no "kind of firing" .

He will be able to fire his nerve soon. Very similiar to the roots of a plant, the nerve will regenerate its axon (the root) and then regenerate its myelin (the covering over the axon) , then all will be good. It just is a matter of time before it happens, but it will happen.

He will be able to run just as fast as before, but he will need to practice turning the muscle on and off through timing/activation training in the offseason, so any hope of the superbowl is doubtful.
That's awesome dude, you got a nice resume there. Don't be shy with giving us insight on this. The more education I can get about this thing the better I feel.
 

plymkr

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I'm just sitting back and waiting for this thread to turn into another Dak vs Romo thread. Should happen by the morning. I mean I think if Romo can save the season he should be able to get Jaylon's nerve to fire. And if Dak is ALL THAT then I don't see why Jaylon's nerve isn't embracing him.

Kidding, just kidding.
 

lukin2006

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I wouldn't say it's about other teams doctors having differing opinions, it was more about our FO willing to take a chance on him so early in the draft...high risk, high reward. I just hope by free agency time and the draft they know for sure he'll be available for next season...
 

Szczepanik

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That's awesome dude, you got a nice resume there. Don't be shy with giving us insight on this. The more education I can get about this thing the better I feel.

Thank you, of course!

The nerve consists of 3 different tissue coverings. Endo, Peri, Epineurium. The extent of the damage is based on those 3 coverings. There are 5 textbook injuries, with the last 2 requiring surgery on the nerve itself. Only one of those nerve injuries, one where all of the nerve is cut, will produce a recovery time that is non-existent, or longer than 2 years. Each of the other injuries has a recovery from 3-18 months depending on where the injury occured, dictated by how far the nerve is from the injury site. Nerve grows 1mm/day or 1inch/month generally speaking. The nerve needs to reach its area to activate the muscle, and then recover the fatty covering around it, it's myelin. Every nerve injury will produce the same outcome, or attempt to recover, without going into the details much.

To the previous posters that questioned prognosis, I believe the surgeon, or team doctor was in on the surgery(?) , which would mean the Cowboys staff has direct access to the type of injury upon the nerve. If the surgeon and team doc were strictly based upon the Cowboys team in that room, then they know exactly which injury type the nerve sustained (takes a simple peek in with a microscope to tell). Prognosis is based upon that, because a nerve follows a typical recovery pattern after that. The doctor would then tell Cowboys the timeline for recovery. Other team officials would not have the luxury to know which injury to the nerve he sustained, or might be suspicious that it could be the most severe. If the the surgeon/doc knows his/her material, then it is an easy call to make and it becomes a waiting game.

The nerve will reach it's destination, will recover it's fatty covering, and fire. A nerve fires using an "action potential" , that has to reach a specific electrical threshold to fire. Once the injury is recovered, the nerve can reach its threshold to fire, and the nerve will do it's thing. Once the nerve fires, his foot will be able to pick back up(dorsiflex). Then he will have to rehab it in PT, to work on the activation and timing of the muscle. The muscle will already have the capability to fire, but his motivation in rehab and the effort throughout will determine whether or not it he is succesful, which Jaylon seems to be more than OK in the motivation department.
structure_of_a_neuron1304617105010.jpg
 

windjc

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Nah, just the charlatans that promote themselves as authorities, which means you should go back into hiding.


Thank you, of course!

The nerve consists of 3 different tissue coverings. Endo, Peri, Epineurium. The extent of the damage is based on those 3 coverings. There are 5 textbook injuries, with the last 2 requiring surgery on the nerve itself. Only one of those nerve injuries, one where all of the nerve is cut, will produce a recovery time that is non-existent, or longer than 2 years. Each of the other injuries has a recovery from 3-18 months depending on where the injury occured, dictated by how far the nerve is from the injury site. Nerve grows 1mm/day or 1inch/month generally speaking. The nerve needs to reach its area to activate the muscle, and then recover the fatty covering around it, it's myelin. Every nerve injury will produce the same outcome, or attempt to recover, without going into the details much.

To the previous posters that questioned prognosis, I believe the surgeon, or team doctor was in on the surgery(?) , which would mean the Cowboys staff has direct access to the type of injury upon the nerve. If the surgeon and team doc were strictly based upon the Cowboys team in that room, then they know exactly which injury type the nerve sustained (takes a simple peek in with a microscope to tell). Prognosis is based upon that, because a nerve follows a typical recovery pattern after that. The doctor would then tell Cowboys the timeline for recovery. Other team officials would not have the luxury to know which injury to the nerve he sustained, or might be suspicious that it could be the most severe. If the the surgeon/doc knows his/her material, then it is an easy call to make and it becomes a waiting game.

The nerve will reach it's destination, will recover it's fatty covering, and fire. A nerve fires using an "action potential" , that has to reach a specific electrical threshold to fire. Once the injury is recovered, the nerve can reach its threshold to fire, and the nerve will do it's thing. Once the nerve fires, his foot will be able to pick back up(dorsiflex). Then he will have to rehab it in PT, to work on the activation and timing of the muscle. The muscle will already have the capability to fire, but his motivation in rehab and the effort throughout will determine whether or not it he is succesful, which Jaylon seems to be more than OK in the motivation department.
structure_of_a_neuron1304617105010.jpg

Ownage.
 

CalPolyTechnique

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Thank you, of course!

The nerve will reach it's destination, will recover it's fatty covering, and fire. A nerve fires using an "action potential" , that has to reach a specific electrical threshold to fire. Once the injury is recovered, the nerve can reach its threshold to fire, and the nerve will do it's thing. Once the nerve fires, his foot will be able to pick back up(dorsiflex). Then he will have to rehab it in PT, to work on the activation and timing of the muscle. The muscle will already have the capability to fire, but his motivation in rehab and the effort throughout will determine whether or not it he is succesful, which Jaylon seems to be more than OK in the motivation department.

I think you're assuming too much in the timeline or sequence of how the body heals and presuming those milestones in recovery will be hit.

There is no guarantee the nerve reinnervates in length or to the extent to which pre-injury functionality can be regained. The channels/pathways the nerve follows as it regrows can atrophy and close up which can cause the "growing" nerve to reinnervate the wrong muscles. That's one issue. An entirely different issue is that the nerve can indeed reinnervate the right muscle, but not provide the same level of impulse that it once did pre-injury. Recovery from this injury is a matter of degree, not a simple it does or it doesn't situation.

For the average Joe, that can be a manageable minor impairment that allows him to walk with a hitch, but without the use of an AFO; he can mow the lawn, play catch with the kids, et cetera. For a pro athlete trying to perform at the highest level, it can be debilitating. Marcus Lattimore had a devastating knee injury that included nerve damage. He actually recovered but retired because he didn't feel he was going to be able to perform at the same level he was used to.
 
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