... 5 mph; if you are older, strive for a brisk walking pace of 3.5 mph, or about 17 minutes per mile. Finally, Kenn Kihiu, who trains out of the Sport & Health chain's Rio facility in Gaithersburg, Md., offers this simple test for lung ...

... runner, work swimming and biking into the week. Or change the dynamics of your weightlifting routine: Local trainer Kenn Kihiu recommends a "pyramid" routine sequentially increasing the weight but dropping the number of repetitions as you work ...