Quoted: Study subjects who spent just 20 minutes mixing sprints with jogging lost three times the fat off their legs and butt in 15 weeks, compared to those who jogged steadily for 40 minutes, research from the University of New South Wales in Sydney finds.

Quoted: Bulky isn’t necessarily better when it comes to muscles. What’s important is keeping them fit so they’ll provide power and strength as the body ages.

Quoted: The author also highlights a shoe style called Vivo Barefoot made specifically to mimic the barefoot walking experience while providing some of the modern necessities of shoes (like, um, protecting you from broken glass). The article is persuasive—enough at least to pique my interest in some barefoot shoes—but if you have experience with the barefoot lifestyle of even barefoot shoes, share your thoughts in the comments.

Quoted: Sure, it's possible for you to lose muscle from doing too much cardio, but it's highly unlikely. Shying away from cardio completely because you think you'll lose muscle is a huge mistake. Only excessive amounts of cardio would cause you to lose muscle because over-training tips the scale towards the catabolic side. It's difficult to generalize and pinpoint one specific amount as too much, but I think it's safe to assume that just about anyone could do up to 45 -60 minutes of cardio a day, 6 to 7 days a week without losing any muscle - as long as the proper nutritional support is provided.

The latest nutrition "finding":

Quoted: If you've been avoiding burgers, ice cream, and pizza thinking you're doing your waistline a favor, don't. They can actually help you lose weight -- and keep it off, too. Here are the hidden slim-down perks of five foods that get a bad rap and the best way to add each one back into your diet.

Quoted: But seated machines often put heavier loads on the back and joints than is necessary, and almost always miss the mark when it comes to replicating the movements found in everyday life, according to Ultimate Back Performance and Fitness, by Stuart McGill, PhD, a professor of spine ­biomechanics at the University of Waterloo, in Ontario.

Quoted: Instead of spending money on computer games or puzzles to improve your brain’s health, invest in a gym membership.

Interesting. This article suggests there may be an inverse correlation between muscle strength and muscle endurance.

Quoted: The endurance of women performing certain isometric exercises is almost twice that of men performing the same exercise, according to a study.