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Muscle Spasms?
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Richard Glover

Hi all,

I was wondering how many people get muscle spasms in limbs not necessarily directly involved in an exercise? I've found (in myself and clients) that this usually occurs on the last or the last few reps to failure. For example, my legs (or just one) sometimes start shaking quite dramatically during performing compound row or bicep curl (on MedX machines). I am right in assuming that this is a normal by-product of intense muscular contraction?

Rich
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RUGGED_INTELLECT

If you're going to failure it might simply be a byproduct of your exertion. Perfectly normal I'd imagine, and possibly uncontrollable, unless it's like trying to avoid facial strain or excessive gripping of the machine to avoid premature failure of blood pressure spikes.

Speaking of which, I personally don't try too hard not to grimmace, and do so only during the last rep or two, as I find that I end up failing for concentrating on trying not to grimmace or grip too much. Probably after much practice it becomes second nature and comfortable, but I wonder if the initial distraction is really worth it.

I also wonder if the shakes are an attempt by the body to divert nerve energy away from what you're doing so you fail early? Damn devious body!

Luke.
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Richard Glover

RUGGED_INTELLECT wrote:
If you're going to failure it might simply be a byproduct of your exertion. Perfectly normal I'd imagine, and possibly uncontrollable, unless it's like trying to avoid facial strain or excessive gripping of the machine to avoid premature failure of blood pressure spikes.

Speaking of which, I personally don't try too hard not to grimmace, and do so only during the last rep or two, as I find that I end up failing for concentrating on trying not to grimmace or grip too much. Probably after much practice it becomes second nature and comfortable, but I wonder if the initial distraction is really worth it.

I also wonder if the shakes are an attempt by the body to divert nerve energy away from what you're doing so you fail early? Damn devious body!

Luke.


Hi Luke, cheers for your comments and ideas but I ain't grimmacing or gripping excessively. I usually have a mate spot me, and he being an Instructor too we train each other maintaining strict form - I would be a hypocrite if I made our customers attempt best possible form and not perform to my best! I breathe consistantly throughout, it's just some limb can start shaking that sometimes isn't directly involved in the movement. A client experienced this last night and I was at loss to explain what happens! Of course the cause is training to failure but why do muscles that are stabilising your body in the movement start shaking - and specifically only one appendage??

Has anyone else encountered this phenomena? Dr Darden? Drew? Your input would be greatly appreciated.

Rich
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Ciccio

We had another thread short time ago about this but I doubt there was a scientific explanation.
I have this too from time to time exactly how you describe it. Furthermore I (rarely, but does happen) had some spasm during the day after training(in the morning), last time it was the outside of my left forarm and before one biceps, at complete rest which made me really wonder what's going on there.

More questions, no answers, I know.

Franco
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