cheapbag214s
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Posted: Tue 19:57, 27 Aug 2013 Post subject: What subtle factors affect performance in unsubtle |
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What subtle factors affect performance in unsubtle ways,[link widoczny dla zalogowanych]
As a non-professional biker who commutes on a bike daily I've been noticing that some factors that I didn't think would make much difference in how fast I go or how quickly I get tired have a much bigger impact,[link widoczny dla zalogowanych].
For example,[link widoczny dla zalogowanych], sideways wind. I did not think that a 5-10 mph wind from the side would slow me down as much as it does. Even tail wind doesn't seem to help.
Another is cold,[link widoczny dla zalogowanych]. I think that I can bike much faster when its 30C outside vs 0C,[link widoczny dla zalogowanych]. Its a little bit hard to say though because I can never compare them side by side.
This question may seem a bit vague, but what other factors affect performance in either positive or negative ways that one would not necessarily consider as making much of a difference?
I agree with you on both counts. A "quartering" wind is almost worse than a headwind. I think the geometry (and law of squares) works out that a side wind increases the apparent headwind, in addition to the problem that a side wind demands additional energy to balance the bike and hold it on course. And a number of cyclists have noted that particularly on cool,[link widoczny dla zalogowanych], slightly foggy mornings the bike just seems to be moving through molasses (even though physicists assure us this is not the case). Daniel R Hicks Feb 27 at 23:08
I'm a commuter who has to carry things like books, a notebook, food for the day,[link widoczny dla zalogowanych], bike lock, etc. I should say that it makes a striking difference whether you carry stuff on your back or on a bike rack -- a heavy bike is not as bad as a heavy backpack, in other words.
Another thing that I've noticed is that my performance decreases if I ride five days a week for prolonged periodes of time, compared to having an extra day (or two) off a week,[link widoczny dla zalogowanych], or having a week off in a month. Having rest is important,[link widoczny dla zalogowanych], not only constant training.
the degree to which your muscles have recovered from previous strenuous work. It is impossible to push the pace everyday,[link widoczny dla zalogowanych], and hit a consistent performance level. Day to day consistent performance is only possible (far) less than maximal effort.
symptom-free infections. It's possible for your body to be fighting some virus, yet fully recover without ever showing symptoms. For instance,[link widoczny dla zalogowanych], you could have a cold virus,[link widoczny dla zalogowanych], but you have no runny nose,[link widoczny dla zalogowanych], no sneezing,[link widoczny dla zalogowanych], no stuffed sinuses. However,[link widoczny dla zalogowanych], when you go running, there is this mysterious extra 1:15 added to every mile which has no obvious explanation like muscles not recovered from prior hard training.
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