They say you have to walk before you can run.

Today is the last day of the "100-Day Burpee Challenge."

I just read an article by Malcolm Gladwell called Late

I am one of the most stubborn people I know.

A Thought ExperimentLet us play a little thought experiment. Imagine

My friend Samantha does not know when to quit—A commendable

Probably the most common condition that hinders athletic performance is

I get a lot of questions about stretching. I assume

A couple of years ago my now-fiancée, Erin, told me

This is the last installment in my four-part series on