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do big efforts make you shiver?

Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway

do big efforts make you shiver?

Old 07-31-11, 08:53 PM
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Nick Bain
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do big efforts make you shiver?

sometimes I feel a little chill after an insane effort. even when its 85 out. what up with that.
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Old 07-31-11, 09:00 PM
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ErichM
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Guess you're ice cold.
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Old 07-31-11, 09:21 PM
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That's actually a genetic selection passed on from your parents. You should ask them and other family members about it. You should also look it up along those lines (shivering, genetics)...those keywords pop into my mind. If only I was taking my genetics course now, I could get the info from the professor that was studying how our bodies react to extremes.
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Old 07-31-11, 11:14 PM
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Maybe it's because after the heavy effort your body heats up which causes the air around you to feel colder.
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Old 08-01-11, 07:01 AM
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No, sounds like a great problem to have!

I usually just feel sweaty and borderline overheated.
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Old 08-01-11, 07:19 AM
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It's one of the first symptoms of dehydration. It's not a good feeling to have. Make sure you have some sort of electrolyte replacement, and if your sweat contains a lot of salt (as mine does so I also have this problem) you may need to double up (Nuun + Gatorade or some variation thereof) and make SURE you take a sip every 5 minutes when doing hard efforts in the heat.
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Old 08-01-11, 07:40 AM
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During group rides during lunch at work we usually sprint to bike/county signs. There is one section where we come over the hill going 20-25mph and I try to go all out until the sign which is somewhere between 0.2 to 0.4 miles. And I've either hit 40mph or close to it quite a few times. This effort lasts between 20-40 seconds depending on how early we start sprinting.

I'm usually destroyed by the end of this depending on how long I am pushing 'all out'. There are a few times I've gotten light headed, right foot goes numb, skin on my legs go numb etc. and it takes me a few minutes to recover and push a decent pace. However, I haven't had shakes like you describe. Also, within the past month I had 2 migraines after lunch rides which I blame partially due to the heat + dehydration (I've never had migraines before).

I figured I would chime in with what happens when I go all out for 20-40 seconds. Cheers.

Last edited by omen7288; 08-01-11 at 07:41 AM. Reason: clean up posting
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Old 08-01-11, 07:56 AM
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Sometimes I shiver when doing a very hard effort, say 30+ minutes at 90-95% MHR, even at 30ºC. It's not pleasant and I've learned to recognize it as a sign that I'm overdoing it and must back off a bit.
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Old 08-01-11, 08:10 AM
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I sometimes feel a chill/shiver in my legs that tells me I need to fuel during long hard efforts. If I keep up on my fueling I don't get this sensation.
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Old 08-09-11, 06:54 AM
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I'm still on the fence about it being "normal" and just the way your body "works".

Sounds like you could see a Sport Doctor though and check things out that way.

Either way it's all about CLT and you need to push through it just a little bit every single time. There is nothing wrong with feeling different if you are executing Rule #5.
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Old 08-09-11, 07:11 AM
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How long/hard are you riding and are you getting adequate hydration? Feeling cold when it's hot can be an early sign of heat exhaustion.
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