Around The Web With Amby

Great stuff to ponder on your next run. A wrap up of this week’s articles on exercise science as tweeted by Amby Burfoot, Editor at Large of Runner’s World Magazine.
You can follow Amby’s tweets at http://twitter.com/exerscience and his Runner’s World blogs at http://peakperformance.runnersworld.com and http://footloose.runnersworld.com.

Endurance exercise reduces loss of muscle mass and repair capacity usually seen with aging (in rats). http://bit.ly/alKMOH

Oat bran increases glycogen loading, endurance performance, and recovery (in rats). http://bit.ly/a5NoQU

Carbs from a glucose-fructose bar are utilized as well during 3-hr bike exercise as same carbs from a drink. http://bit.ly/9IZXmf

Bad stuff can happen to athletes, but in general higher fitness lowers risk of sudden cardiac death. http://bit.ly/d4o8W9

Diet high in nitrates good for brain perfusion and executive thinking in older adults. http://bit.ly/9yaUJV

Increasing levels of total physical activity linked to more knee replacements, not hip replacements. http://bit.ly/btYJUP

Genes linked to endurance performance also linked to lower decline in performance after 20 yrs. http://bit.ly/dviB58

Ten weeks of beginning running among women might be “a valuable tool in osteoarthritis prevention strategies.” http://bit.ly/a1p1LR

Here are the new American Heart Association guidelines for chest-only CPR. Share with many. http://bit.ly/9IZqoU

Back-mounted hydration system no better than canteen for healthy Air Force basic-training hydration in heat. http://bit.ly/a03hGf

Hot taper improves endurance performance by 6 to 8% in hot and cool conditions. My new Peak Performance blog. http://bit.ly/aqIXv4

Exercise + diet trial effective for weight loss after 12 months. Early exercise boosts initial weight loss & belly fat loss. http://bit.ly/bD92fw

Increases in waist circumference increase mortality. How to prevent? Oh, yeah, aerobic exercise does a decent job. http://bit.ly/9WHd7n

Important for exercisers who want to safeguard their friends: Compression-only CPR works well. http://bit.ly/blPPlC

First study to show “aerobic fitness may relate to the structure and function of the preadolescent human brain.” http://bit.ly/c3Ntz1

In 299 older men–av age 78, followed for 13 yrs–walking increased “gray matter” in brains, decreased cognitive loss. http://bit.ly/dmnP9s

Your knees on marathons–The evidence remains murky, but little evidence of serious harm. NYTimes. http://nyti.ms/aofTrq