FOR AN EASY FULL-BODY WORKOUT, TRY NORDIC WALKING Back when I lived near Lake Tahoe, I skied cross country trails all winter long. But that was years ago and I’ve hardly skied since. However, today I came across an article extolling the benefits of Nordic walking—or walking with poles.  This exercise turns a basic walk into a full body workout by mimicking movements used by cross-country skiers; hence the poles. With a bit of research, I found that you can’t use regular walking sticks. You’ll need poles with wrist straps and pointed tips for trails or with blunted rubber ends...