08.20.09
Posted in article, info at 4:36 pm by Administrator
So I am getting more and more with the program and have been utilising Twitter to get information about all kinds of things. One Tweeter I follow is Velo News, to be found on Twitter at twitter.com/velonews. They tweeted that the Felt cyclocross bike has been recalled!! My favorite brand of cyclocross bike!! Read the article here.
I have to say I’m dumbfounded. I always thought this was a dope bike. But thank god for the web, and with a little persistence and a lot of obsession, you can find out all kinds of information about your gear, your ride, your safety equipment and everything else you need to know as a consumer and an educated rider.
Be safe kids…
Permalink
06.11.09
Posted in article, info at 6:15 am by Administrator
Here is a great guide I found on this site called Performance Bicycle. Read on…
How To Wash Your Bike
In just 10 minutes you can have a clean bike. This quick wash is perfect after rainy road rides or muddy mountain bike rides. It won’t pass a white glove inspection, but it will be clean, lubed and ready for the next ride.
Ready? 10 minutes. Start the clock now. Break out a bucket of warm, soapy water and a soft brush. Time for a good bath. Washing your bike doesn’t need to take a lot of time or make a huge mess. You will need the following:
* Bucket with warm soapy water (dish soap works well as most have a grease cutting agent which is effective but not so strong as to degrease bearings or totally strip off everything).
* Bucket with clean water
* Large brush with soft bristles
* A few dry, clean rags
* Chain lube of your preference. If you use a dry lube for the chain, you will need something for the cables like Tri-Flow®
Dip your brush and load it up with soapy water. Start with the handlebars. Slop on the soapy water, wash quickly across the bar, then move downward and rearward. No worries if the dirt is still there, just let the soapy water do its work while you keep going. Hit the stem, top of headset, top tube and seat post.
Load up the brush again and go back to the head and down tubes. Brush the lower headset, fork crown, front brake and down the fork blades (don’t forget the opposite side) to the front axle.
Load up the brush again. Back to the lower headset. Brush down the down tube and hit the area around the bottom bracket shell. Don’t do the cranks and chain rings yet.
Load up the brush again. Start at the base of the seat post and brush down, get the area around the chainstay bridge, then go back up to the base of the seat post. Now down the seatstays (don’t forget the opposite side). Be sure to get the rear brake, down to the rear axle and the non-drive side chainstay.
Load up the brush again. Slop soapy water on the rear derailleur, then the front derailleur.
Load up the brush again. Now hit the drive side chainstay, chain rings, cranks and cogset. Toss the brush in the clean water bucket.
Using the clean water, follow the same pattern with your brush. Once again making sure to get everything, and rinsing your brush frequently.
Now grab your rags and wipe the bike dry in the same order as the soaping. Change the rag around frequently to ensure you’re wiping with a clean rag rather than a dirty one.
Lube up your chain thoroughly, floating all the pivots with lube. Break out the Tri-Flow® or cable lube of your choice and lube the derailleur pivot points and brake pivot points on caliper, cantilever, and V-brakes (be careful not to get any on the brake pads).
A drop of oil or 2 on exposed runs of cables can work wonders as well. If you have Teflon lined cable housing, there is no need to lube under the cable housing. If not, drip some Tri-Flow® down there too. Go back and move all these parts back and forth a few times to work in the lube, then wipe off any excess with a rag. DONE.
Permalink
03.27.08
Posted in article, info at 10:40 pm by Administrator
This is taken from today’s New York Times.
Written by Gina Kolata
The runner’s high: Every athlete has heard of it, most seem to believe in it and many say they have experienced it. But for years scientists have reserved judgment because no rigorous test confirmed its existence.
Yes, some people reported that they felt so good when they exercised that it was as if they had taken mood-altering drugs. But was that feeling real or just a delusion? And even if it was real, what was the feeling supposed to be, and what caused it?
Some who said they had experienced a runner’s high said it was uncommon. They might feel relaxed or at peace after exercising, but only occasionally did they feel euphoric. Was the calmness itself a runner’s high?
Often, those who said they experienced an intense euphoria reported that it came after an endurance event.
My friend Marian Westley said her runner’s high came at the end of a marathon, and it was paired with such volatile emotions that the sight of a puppy had the power to make her weep.
Others said they experienced a high when pushing themselves almost to the point of collapse in a short, intense effort, such as running a five-kilometer race.
But then there are those like my friend Annie Hiniker, who says that when she finishes a 5-k race, the last thing she feels is euphoric. “I feel like I want to throw up,” she said.
The runner’s-high hypothesis proposed that there were real biochemical effects of exercise on the brain. Chemicals were released that could change an athlete’s mood, and those chemicals were endorphins, the brain’s naturally occurring opiates. Running was not the only way to get the feeling; it could also occur with most intense or endurance exercise.
The problem with the hypothesis was that it was not feasible to do a spinal tap before and after someone exercised to look for a flood of endorphins in the brain. Researchers could detect endorphins in people’s blood after a run, but those endorphins were part of the body’s stress response and could not travel from the blood to the brain. They were not responsible for elevating one’s mood. So for more than 30 years, the runner’s high remained an unproved hypothesis.
But now medical technology has caught up with exercise lore. Researchers in Germany, using advances in neuroscience, report in the current issue of the journal Cerebral Cortex that the folk belief is true: Running does elicit a flood of endorphins in the brain. The endorphins are associated with mood changes, and the more endorphins a runner’s body pumps out, the greater the effect.
Leading endorphin researchers not associated with the study said they accepted its findings.
“Impressive,” said Dr. Solomon Snyder, a neuroscience professor at Johns Hopkins and a discoverer of endorphins in the 1970’s.
“I like it,” said Huda Akil, a professor of neurosciences at the University of Michigan. “This is the first time someone took this head on. It wasn’t that the idea was not the right idea. It was that the evidence was not there.”
For athletes, the study offers a sort of vindication that runner’s high is not just a New Agey excuse for their claims of feeling good after a hard workout.
For athletes and nonathletes alike, the results are opening a new chapter in exercise science. They show that it is possible to define and measure the runner’s high and that it should be possible to figure out what brings it on. They even offer hope for those who do not enjoy exercise but do it anyway. These exercisers might learn techniques to elicit a feeling that makes working out positively addictive.
The lead researcher for the new study, Dr. Henning Boecker of the University of Bonn, said he got the idea of testing the endorphin hypothesis when he realized that methods he and others were using to study pain were directly applicable.
The idea was to use PET scans combined with recently available chemicals that reveal endorphins in the brain, to compare runners’ brains before and after a long run. If the scans showed that endorphins were being produced and were attaching themselves to areas of the brain involved with mood, that would be direct evidence for the endorphin hypothesis. And if the runners, who were not told what the study was looking for, also reported mood changes whose intensity correlated with the amount of endorphins produced, that would be another clincher for the argument.
Dr. Boecker and colleagues recruited 10 distance runners and told them they were studying opioid receptors in the brain. But the runners did not realize that the investigators were studying the release of endorphins and the runner’s high. The athletes had a PET scan before and after a two-hour run. They also took a standard psychological test that indicated their mood before and after running.
The data showed that, indeed, endorphins were produced during running and were attaching themselves to areas of the brain associated with emotions, in particular the limbic and prefrontal areas.
The limbic and prefrontal areas, Dr. Boecker said, are activated when people are involved in romantic love affairs or, he said, “when you hear music that gives you a chill of euphoria, like Rachmaninoff’s Piano Concerto No. 3.” The greater the euphoria the runners reported, the more endorphins in their brain.
“Some people have these really extreme experiences with very long or intensive training,” said Dr. Boecker, a casual runner and cyclist, who said he feels completely relaxed and his head is clearer after a run.
That was also what happened to the study subjects, he said: “You could really see the difference after two hours of running. You could see it in their faces.”
In a follow-up study, Dr. Boecker is investigating if running affects pain perception. “There are studies that showed enhanced pain tolerance in runners,” he said. “You have to give higher pain stimuli before they say, ‘O.K., this hurts.’ ”
And, he said, there are stories of runners who had stress fractures, even heart attacks, and kept on running.
Dr. Boecker and his colleagues have recruited 20 marathon runners and a similar number of nonathletes and are studying the perception of pain after a run, and whether there are related changes in brain scans. He is also having the subjects walk to see whether the effects, if any, are because of the intensity of the exercise.
The nonathletes can help investigators assess whether untrained people experience the same effects. Maybe one reason some people love intense exercise and others do not is that some respond with a runner’s high or changed pain perception.
Annie might question that. She loves to run, but wonders why. But her husband tells her that the look on her face when she is running is just blissful. So maybe even she gets a runner’s high.
Permalink
