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.

Meta-analysis of protein added to carbs during endurance events concludes that any effect is likely extra calories. http://bit.ly/cRgQbF

Single dose of citrulline malate increases strength training performance and decreases muscle soreness. http://bit.ly/9jknwB

Sobering news about rapid increases in U.S. obesity, and declines in health & quality of life. http://yhoo.it/9ScPX1 http://yhoo.it/akVuik

Hunger and calorie consumption not affected by a 40-min walk, so it appears good way to help control weight. http://bit.ly/aNOkvP

“Vigorous late-night exercise does not disturb sleep quality,” but may raise heart rate during sleep. http://bit.ly/aezojG

Uninjured runners exhibit only “small alterations” in running form at end of a typical workout. http://bit.ly/dwENt3

Army finds only “marginal” evidence core strength training tops bent-knee sit-ups to prevent musculoskeletal injuries. http://bit.ly/am5edQ

Elite 400-meter runners might do too much high-intensity training. They need to preserve “muscle generating capacity.” http://bit.ly/aB8nev

Three percent dehydration reduces strength-training performance. http://bit.ly/axex39

Eating whole foods increases thermic effect (post-consumption calorie burn) by nearly 50% over processed foods. http://bit.ly/c2pKqs

Calcium pills increase heart attack risks, not proven for bone health. http://bit.ly/aXeNFK

Low-carb and low-fat diets produce mostly similar results, including weight loss, after 2 years. http://bit.ly/cNvHHh

World-class triathletes becoming more like elite runners and cyclists in vo2 max and lactate threshold. http://bit.ly/drYQ3I

Muscle carnosine, increased through beta-alanine supplementation, improves elite rowing performance at 2000 meters. http://bit.ly/cm2OIU

Large twin study suggests very high genetic heritability (72 to 85%) for tendency to exercise among adolescents. http://bit.ly/cZ1iYV

“5 minute ice baths for recovery” produce detrimental effect for rugby players. http://bit.ly/bYICVu

After a “prolonged run” at a normal pace, uninjured runners exhibit small biomechanics changes http://bit.ly/dwENt3

Army tests sit-ups vs core exercise training to see which lowers back injuries. Result: No difference. http://bit.ly/am5edQ

In rare, 10-week controlled test of two training methods for runners, high-intensity beats low-intensity. But barely. http://bit.ly/9Lv30G

Great RunBlogger review of study: conventional shoe-selection methods more likely to increase injuries than decrease. http://bit.ly/cG2Q2f

Meat = extra body weight? Large study concludes that “a decrease in meat consumption may improve weight management.” http://bit.ly/bq7UO5