High Intensity Exercise

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Rethinking the Exercise 'Talk Test' - NYTimes.com

Many of us rely on the so-called talk test to gauge a workout’s intensity. It is such a simple measure, consisting of only one question: Can you speak aloud while working out? If so, conventional wisdom says, you are exercising at the right intensity to improve both your health and fitness. http://well.blogs.nytimes.com/2011/09/21/rethinking-the-exercise-talk-test/
http://www.sciencedaily.com/releases/2011/05/110504103948.htm ScienceDaily (May 4, 2011) — Exercise both reduces the risk of a heart attack and protects the heart from injury if a heart attack does occur.

Exercise protects the heart via nitric oxide, researchers discover

So is the butterfly the best single that there is? Well, no.

What’s the Best Exercise? - NYTimes.com

https://www.nytimes.com/2011/04/17/magazine/mag-17exercise-t.html?em&exprod=myyahoo
http://www.sciencedaily.com/releases/2011/04/110405194101.htm ScienceDaily (Apr. 5, 2011) — Exercise is important for preventing cardiovascular disease, especially in children and adolescents, but is all exercise equally beneficial?

Better a sprint than a marathon: Brief intense exercise better than endurance training for preventing cardiovascular disease

http://www.howtobefit.com/develop-fast-twitch-muscle-fiber.htm

How to Develop Fast Twitch Muscle Fiber

Everyone interested in dropping body fat, toning muscle, and reversing the effects of the middle-age somatopause, should have a fitness plan that includes developing fast-twitch muscle fiber.
I hate the gym. At least, I hate “the gym” as imagined by the modern American health club: the mindless repetitions on the weight machines, halfhearted crunches, daytime TV during the treadmill. Such a sad, unimaginative excuse for a life, when I could be out rock-climbing, surfing, or, hell, even just scrubbing the bathroom floor. http://www.mensjournal.com/everything-you-know-about-fitness-is-a-lie/print/

Men’s Journal » Print » Everything You Know About Fitness is a Lie

http://nerdfitness.com/blog/2009/01/27/kick-your-ass-and-kickstart-your-metabolism-in-20-minutes/

Interval Training - Kickstart your Metabolism and Kick your Ass in 20 Minutes | Nerd Fitness

I used to run cross country in high school, and I’ve tried to get excited about running about a dozen times since then.

Best workout routine when you don't have much time | Dead Simple Diet

There’s a principle called Pareto’s Principle, more commonly known as the 80/20 rule. http://deadsimplediet.com/2010/06/best-workout-routine-when-you-dont-have-much-time/

What Is The Best Plyometrics Workout?

http://www.bodybuilding.com/fun/wotw27.htm Plyometrics are a great way to increase leg strength, stamina, jumping, etc.

Brief, Intense Exercise Can Benefit The Heart, Study Shows

ScienceDaily (June 4, 2008) — Short bursts of high intensity sprints--known to benefit muscle and improve exercise performance--can improve the function and structure of blood vessels, in particular arteries that deliver blood to our muscles and heart, according to new research from McMaster University. The study, lead by kinesiology doctoral student Mark Rakobowchuk, is published online in the journal American Journal of Physiology.