Almost every gym I’ve been to has had one rowing machine, sometimes two, and nobody ever uses it. That’s a shame, because it’s a great tool for getting a full-body workout when you’re doing cardio, ...

Q: I got into a discussion the other day about the lenght of intervals. This program has as you know one interval of 30 seconds and one of 1 minute (I am just finishing week 2 and those have been the ...

A couple of years ago, I wrote an article about the fine-grained nuances of interval training. According to Paul Laursen and Martin Buchheit’s telephone book of a text, Science and Application of High ...

If you follow the run/walk method, you know alternating run and walk intervals can save energy and ultimately improve your overall pace. And if you progress those run/walk intervals the right way, you ...

Four seconds of intense intervals, repeated until they amount to a minute of total exertion, led to rapid improvements in strength and fitness in middle-aged and older adults. By Gretchen Reynolds In ...