I think there's a really good chance that Jaylon Smith will play this year

[Eskimo]

Hi Eskimo

Thanks.

I don't understand your description of the Tinel's sign, and I cannot quite figure it out using google.
We need the motor neurons to regenerate and make contact to the target muscle.
How would you feel any tingling sensation with motor neurons?
Do motor neurons feel sensations as well as sensory neurons?
Or can one infer motor neuron recovery from sensory neuron recovery?

Thanks again!

Let's say a nerve is injured at the level of your knee but needs to grow back to the level of the mid-calf to re-innervate a muscle. In Tinel's sign you tap along the path of the nerve. Once you reach the end of the regenerating axons the patient gets a tingly feeling. You can then see how fast the nerve is regenerating by charting out where Tinel's sign is elicited presently compared to the last time it was assessed.

In terms of sensation from motor nerves, nerves actually have a bit of their own sensory system (nervi nervorum). So the sensation isn't coming from the tip of the sensory nerve but from a nerve supply embedded in its surrounding connective tissue.

In general motor and sensory nerves don't recover at the same rate. Typically sensory nerves recover later and less completely than motor nerves. It is also true that sensory nerves are also more susceptible to damage by trauma or compression than motor nerves.

I don't think I need to answer the last question because I think the point is moot based on the first explanation.

 

[Eskimo]

Sorry if I am being thick.
Does a nerve have both motor neuron axons and sensory neuron axons?

It depends on the nerve. Most nerves are mixed and have both sensory and motor axons but there are a few that are pure motor or pure sensory.

In Smith's case the common peroneal nerve is a mixed nerve.

 

[pansophy]

Sorry if I am being thick.
Does a nerve have both motor neuron axons and sensory neuron axons?

Yes, so there are both motor and sensory nerves. The lack of motor nerves causes weakness (like foot dropping) and the sensory nerves when tapped or compressed would tingle. It's not specific to the knee injury but you can read about peripheral neuropathy and essentially this is what he is dealing with.

http://www.encyclopedia.com/topic/Peripheral_Neuropathy.aspx

 

[waldoputty]

Let's say a nerve is injured at the level of your knee but needs to grow back to the level of the mid-calf to re-innervate a muscle. In Tinel's sign you tap along the path of the nerve. Once you reach the end of the regenerating axons the patient gets a tingly feeling. You can then see how fast the nerve is regenerating by charting out where Tinel's sign is elicited presently compared to the last time it was assessed.

In terms of sensation from motor nerves, nerves actually have a bit of their own sensory system (nervi nervorum). So the sensation isn't coming from the tip of the sensory nerve but from a nerve supply embedded in its surrounding connective tissue.

In general motor and sensory nerves don't recover at the same rate. Typically sensory nerves recover later and less completely than motor nerves. It is also true that sensory nerves are also more susceptible to damage by trauma or compression than motor nerves.

I don't think I need to answer the last question because I think the point is moot based on the first explanation.

Thanks! Knock on wood, but I am pretty optimistic now for Smith's prospects.

I guess the nerve supply embedded in its surrounding connective is regenerating also?

I would 'like' your message but I cannot figure out how lol !!!

 

[GimmeTheBall!]

Actually this is calculated gamble that may pay off very well for the Cowboys.
Not that different from taking Staubach, Hennings or Walker.
Staubach and Hennings could have been killed on duty.
Walker could have gotten hurt in the USFL.

What is sad is a 21 year old having gone through hell as witnessed by the emotional call with Jerry.

I am not comfortable throwing Smith in the same category . . . nay, the same universe . . . with Saubach, Hennings or Walker.

 

[waldoputty]

I am not comfortable throwing Smith in the same category . . . nay, the same universe . . . with Saubach, Hennings or Walker.

Smith - at least top 5 draft pick - medical risk - 6 months -18 month wait for closure
Staubach - heisman QB - active duty risk and very long wait
Hennings - highly rated DL - active duty risk and very long wait
Walker - top RB probably at least top 5 draft pick - may never join the NFL risk and very long wait

When making the decision, seem pretty close to me.

Granted, Smith was drafted near the top of the 2nd round

 

[Fla Cowpoke]

Trained, huh? Trained in electrophysiologic studies, huh?

You are so full of ****.

WHy would you even post hateful crap like this?

 

[Fla Cowpoke]

That's why I don't post here much anymore, sigh.

Don't let the aholes bring you down, your insight is very much appreciated.

 

[waldoputty]

That's why I don't post here much anymore, sigh.

Hi Eskimo

I hope you keep posting.
It is great to meet a classy and smart Cowboy fan.
That makes us better than most of the classless types that cheered Irvin's injury!

I learned a lot.
Your knowledge and training are much appreciated.
Thanks!!!

 

[TRUTH87]

Yes keep posting @Eskimo . Much appreciated

Im surprised mrtxstar isnt in here telling you that hes the only one who knows whats going on w Smith and he will
Never play again.

 

[cowboys2233]

That's why I don't post here much anymore, sigh.

Why, because some random stranger suggests you're full of it? Whoa is you. Sigh all you want, get over yourself. Some folks on here obviously value your opinion, so why wouldn't you focus on them? I guess the predictable sympathy you get for your resigned tone is preferable?

 

[boysfanindc]

When R. McClain misses his usual games this year I would have rather seen Reggie Ragland trotting on to the field instead of Hitchens/D. Wilson.

 

[GimmeTheBall!]

Smith - at least top 5 draft pick - medical risk - 6 months -18 month wait for closure
Staubach - heisman QB - active duty risk and very long wait
Hennings - highly rated DL - active duty risk and very long wait
Walker - top RB probably at least top 5 draft pick - may never join the NFL risk and very long wait

When making the decision, seem pretty close to me.

Granted, Smith was drafted near the top of the 2nd round

Still, at this juncture of NFL time, it is like anointing Wentz the next Brady.

 

[Common Sense]

Why, because some random stranger suggests you're full of it? Whoa is you. Sigh all you want, get over yourself. Some folks on here obviously value your opinion, so why wouldn't you focus on them? I guess the predictable sympathy you get for your resigned tone is preferable?

Please go away.

 

[Howboutdemcowboys31]

I'll say this much. Assuming he plays again, with who he is as a person, and having Sean Lee help him study, he'll be up to snuff for sure whenever he does return

 

[Fla Cowpoke]

Why, because some random stranger suggests you're full of it? Whoa is you. Sigh all you want, get over yourself. Some folks on here obviously value your opinion, so why wouldn't you focus on them? I guess the predictable sympathy you get for your resigned tone is preferable?

I can't understand why out of the clear blue you would just assault a person's post like you did. I imagine you are a real ray of sunshine in the real world.

 

[TheCount]

Why, because some random stranger suggests you're full of it? Whoa is you. Sigh all you want, get over yourself. Some folks on here obviously value your opinion, so why wouldn't you focus on them? I guess the predictable sympathy you get for your resigned tone is preferable?

Why are you even on this forum? You're adding absolutely nothing to the conversation.

 

[Wood]

 

[waldoputty]

Still, at this juncture of NFL time, it is like anointing Wentz the next Brady.

Agreed, no anointing oils applied.

I am just comparing the decisions made by management when evaluating 'similar' quality college players (across decades in time...)
No one has any certainty when drafting the players.

 

[GimmeTheBall!]

Agreed, no anointing oils applied.

I am just comparing the decisions made by management when evaluating 'similar' quality college players (across decades in time...)
No one has any certainty when drafting the players.

Yes, thank you, lad.