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.

In randomized trials, “dietary composition may be the most effective lifestyle change” for metabolic syndrome. http://bit.ly/f2jLnI

Cancer survival: 10 prospective trials show higher levels of weekly exercise “may help to improve survival rates.” http://bit.ly/gx3VZl

In exercise and diet trials with greater than 10,000 subjects, results for “beneficial effects” heart health are “encouraging.” http://bit.ly/f79MtB

5K race is good motivation tool to help chronic schizophrenics adhere to exercise & weight-control program. http://bit.ly/hK4vZg

In cross-over study, 5 days of high versus low glycemic eating = no effect on fats-carbs burn during 30 mins intense exerc. http://bit.ly/dWTeRQ

Vigorous activity decreases cancer mortality risk of prostate cancer men by 61%. http://bit.ly/fpSri9

NY Times reports on exercise-alcohol consumption link. Shared brain centers? No one quite sure. http://nyti.ms/fzJsrT

Veggies are good for metabolic syndrome. But fitness is even better. Together, effect is large. http://bit.ly/excqdt

Don’t think, just exercise. Merely thinking about exercise could increase your calorie consumption. http://bit.ly/hgLnW5

Science Of Running reviews history of exercise-hydration controversy. Sides with Noakes: “Follow your thirst.” http://bit.ly/htVZz1

The tide is turning: People now recommend exercise to prevent and treat arthritis. http://bit.ly/hkDUb9

Faster walkers live longer. Among 34,000 seniors over 65, walking speed provides a good measure of mortality risk. http://bit.ly/fVooxg

Records are meant to be broken … for the next 10 yrs only. Then we’ll hit our limits, says new math analysis. http://bit.ly/hz7gGF

NY Times reports short, brisk walk can lower cravings, as for chocolate, junk food, etc. Many other benefits too. http://nyti.ms/ijFY5F

Meta-analysis shows lower-leg stress fractures not linked to peak impact force but to “loading rate”–speed of impact. http://bit.ly/hZcVms

Army finds that poor Y Balance Test (one-leg balancing) linked to higher injury risk. http://bit.ly/fF1sXm Video here. http://bit.ly/hnYP1W

Go ahead, get half your carbo-load calories from Omega-3 chia seeds. Works as well as 100% Gatorade. http://bit.ly/dFhXix

In small running study, short sprint sessions produce results very similar to longer endurance workouts. http://bit.ly/bB92pa

Diet with endurance and strength training retains 97% of muscle in overweight men, even with 20-lb weight loss. http://bit.ly/f9R4vp

RT Steve Magness. Alter-G treadmill reduces “muscle activity with no changes in muscle activity patterns.” Good news. http://bit.ly/idLtK7

Meta-analysis shows plyometric training increases maximal strength performance. 15 sessions with 40 jumps/session. http://bit.ly/hAcCwo

New, simpler, better test for vo2 max in runners. http://bit.ly/hyJ3PJ. Matt Fitzgerald on the same. http://bit.ly/hcakWN

From “Sweat Science,” anti-depressants, especially buproprion (Wellbutrin), may improve endurance performance in heat. http://bit.ly/gonk4A

Triple Ironman leads to loss of body fat and muscle mass, but not to dehydration. http://bit.ly/ewA5Ex

Neuromuscular training reduces risk of lower limb injuries. Not a running study, but .. Mostly balance-type exercises. http://bit.ly/fbMLBk

In 3 Ironman sports, elite women trail elite men by 12% (swim), 15% (bike) and 18% (run). Gap expands past age 55. http://bit.ly/f6Npb6

BBC blames slowness of fluid-drinking marathoners on relative weight. But maybe they just stopped too long for drinks? http://bbc.in/dKHQnd

Cigarette smoking underutilized for endurance training. Not! But author making point about badly-done “review” papers. http://bit.ly/iiEmHX

Distance runners’ heart size increases over 5 yrs more than sprinters’ but only 17% vs 9% = lowest pathological level. http://bit.ly/gnaQNJ

Analysis of 900,000 marathon/half-marathon times shows only moderate decline to 55, “mainly due to a sedentary lifestyle.” http://bit.ly/hAKGSk

In a sample of 643 marathon finishers, more dehydration linked to faster race times. http://bit.ly/gyROcS

Note to cyclists: Save $$$, buy less, eat less to lose weight. Vs. $$$ spent on expensive lightweight bike. http://bit.ly/ePck1o

Research group often critical of dehydration science says that dehydration not cause of cramping. Rather, running too fast. http://bit.ly/efdSZf