Head spins
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Head spins
Postby Becker_11 » Fri Apr 15, 2011 1:15 am
Should I be concerned? I haven't fallen over yet although I came close once and I am getting better at pacing myself instead of making every ride a race. What's your thoughts?
Nathaniel
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Re: Head spins
Postby Becker_11 » Fri Apr 15, 2011 1:21 am
Not going to like it if I have to stop sprinting my downhill.
Nathaniel
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Re: Head spins
Postby thelittlebattler » Fri Apr 15, 2011 8:08 am
Spending at least 5 minutes to warm down is usually recommended at the end of exercise, so if you're working pretty hard on your sprint at the end, just roll around slowly at the bottom of the hill or your driveway until you recover. The other thing you can try is making sure you drink enough on the ride and when you get home, being dehydrated will add to the problem too.
If you're concerned, can always see a doctor about it, or check your blood pressure with a cuff at home if you or someone you know has one.
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Re: Head spins
Postby Sweeper59 » Fri Apr 15, 2011 8:42 am
As with most cyclists, your lower body is demanding the majority of your blood and oxygen supply when you ride, while your upper body is fairly sedate.
Because you are lying down on your recumbent bike, with your head almost at the same level as your heart, your body doesn't have to work hard to pump blood to your upper body.
However, when you stand up, your body has to suddenly make the adjustment from pumping lots of oxygen to your leg muscles to working harder to pump blood 'uphill' to your brain.
I think what you are experiencing is 'oxygen deprivation' as your body makes the adjustment.
Nobody looks back on their life....and remembers the nights they got plenty of sleep !!
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Re: Head spins
Postby Becker_11 » Fri Apr 15, 2011 8:47 am
Nathaniel
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Re: Head spins
Postby Nate » Fri Apr 15, 2011 10:01 am
and its always been the way!
Quickly standing up if i've been on the ground for a bit normally does it. - maybe just great circulation?
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Re: Head spins
Postby maDKient » Fri Apr 15, 2011 11:02 am
It's called postural hypotension. When you stand or get up too quick from a lying or prone position, or in our case the bikes, the blood doesn't circulate quickly enough to the brain hence you feel the light headedness.Nate wrote:i get that a fair bit... 31 & crazy fit... swimming, gym, cycling etc...
and its always been the way!
Quickly standing up if i've been on the ground for a bit normally does it. - maybe just great circulation?
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Re: Head spins
Postby bigfriendlyvegan » Fri Apr 15, 2011 11:30 am
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Re: Head spins
Postby thelittlebattler » Fri Apr 15, 2011 6:15 pm
That's ok, I'd still burn down the hill on the way home... just do a few laps of the dead end, or coast up the bike path and back a little to warm down. Can use the time to suck down the rest of your water bottle tooBecker_11 wrote:Thanks Guys, I think I will have to add a bit of a warm down spin to the end of my ride before coming inside. Fortunately my road is a dead end with a pretty good cycle path leading off it so plenty of space for an easy spin. I never come home that way though cause it's flat and where's the fun in that lol
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Re: Head spins
Postby wombatK » Fri Apr 15, 2011 8:20 pm
+1. It sounds like orthostatic hypotension. One factor that contributes to it is getting too dehydrated. Youngbigfriendlyvegan wrote:It's been covered here before, do a search for some more in depth discussion.
people can suffer from it every bit as much as old people. Drink more, and see if that fixes it.
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Re: Head spins
Postby Becker_11 » Fri Apr 15, 2011 8:24 pm
Nathaniel
A great adventure starts with a single step
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Re: Head spins
Postby open roader » Tue Apr 19, 2011 7:47 pm
I'd +1 to the upper body going somewhat dormant in a ride, I always 'warm down' for the last 1.5km on a nice even piece of road where I can flex from the waist up and lift my arms off the bars one at a time and move them about to get some normality back in the blood flow dept. I'm also sure to park against the side of the car (I drive my bike over 2km of gravel road before riding) in case i do have a head spin. Since I began doing this warm down I've not had a wobble post dismount.
I'd also +1 hydration, I was a serial bad hydrater until I resumed riding a bike, if I'm not needing to pee slightly during my ride I'm not satisfied with my hydration - inconvenient to take a leak on the side of the road mid ride (rural empty roads by and large ) but solid pre-ride hydration has really improved my rides, recoveries and life all round.
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Re: Head spins
Postby Wayfarer » Wed Apr 20, 2011 12:18 am
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Re: Head spins
Postby Becker_11 » Wed Apr 20, 2011 6:11 am
Nathaniel
A great adventure starts with a single step
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Re: Head spins
Postby Becker_11 » Fri Apr 29, 2011 2:01 am
I'm very relieved to know it's nothing serious and can be managed so easily. Thanks for all your replies and advice.
Nathaniel
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Re: Head spins
Postby open roader » Fri Apr 29, 2011 6:27 pm
Great News!!Becker_11 wrote:the head spins are greatly reduced
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