DEAR DOCTOR K: I'd like to start strength training, but I have lots of questions. What should I know before I begin?
DEAR READER: Strength-training exercises are those that force your muscles to strain against an opposing force, like a dumbbell or elasticized band. There's a lot you need to know before you begin. I'll answer several common questions to help get you on your way. Below you'll find several more strength-training tips: