physiology RSS

2023, caffeine, nutrition, physiology, racing, training -

We've written about caffeine before ("Caffeine and Athletic Performance: Experiment to Find Out What Works for You"), and sports science writer Alex Hutchinson recently reported on a study published last year in "Medicine & Science in Sports & Exercise" by a team from six Brazilian universities working with David Bishop of Australia’s Victoria University that concluded caffeine *does* work as a performance-enhancer. Cyclists studied by the researchers lasted 14 percent longer when they got real caffeine (5 minutes and 55 seconds) rather than a placebo (5 minutes and 14 seconds). Hutchinson noted that the new study delivered similar results to...

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caffeine, nutrition, physiology, racing, training -

To caffeinate or not to caffeinate, that is the question! Studies have shown that drinking caffeine about an hour before racing (or training) can help boost endurance, energy and performance. Caffeine stimulates your central nervous system, blocking the adenosine receptors (responsible for fatigue), in turn, making you feel less tired. In addition, some studies have shown that caffeine increases activation of muscle fibers, leading you to feel faster and stronger, and enhanced mood, which makes long-term repetitive efforts less daunting. But people react differently to caffeine. For some, it’s a performance enhancer; others can be over-stimulated and see their performance...

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interview, nutrition, physiology, racing, trail running, training -

The Tailwind Nutrition origin story begins in a rubbish bin, in which company co-founder Jeff Vierling had his head after finishing the famous Leadville Trail 100 MTB mountain bike race. Jeff's muesli came up, and he thought, "There's gotta be a better way." After extensive research, he realized that most sports nutrition products contain ingredients that are hard to digest, and began experimenting with batches of powder formulated to match the way the body absorbs fuel. Lots of experimentation on himself, his wife and co-founder Jenny, and their local Thursday Bike n’ Beer group in Durango eventually produced a product that people...

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barefoot running, injury, minimalist, physiology, shoes -

Like a lot of runners, I’ve had my share of injuries, and like a lot of runners who have had injuries, I’ve looked high and low for solutions to my various problems (which have become more frequent and more widespread throughout my body as I’ve aged …). If you’re doubting my credentials as an Old Guy Who Has Been Injured a Lot, let me just say that I had a pair of Nike Waffle Racers before they became vintage footwear that can fetch thousands of dollars at Sotheby's. A few years ago, I had a pain in my left heel, and after struggling...

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barefoot running, interview, minimalist, physio, physiology, shoes, training -

Dr. Jesse Timm is known to some in the RDRC community for the series of minimalist running workshops he held last year at the shop. He is also known – in his day job role as a chiropractor – for the help he has provided to some of us when we’ve had back or alignment problems. A Singapore resident since 2010, Jesse has always been an athlete, wrestling and rowing at the university level, but since then, mostly running, logging up to 200 injury-free kilometres a week in preparation for his first 100K in 2012. A sports injury in high school and...

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