Strength training is key to staying healthy as people age, with experts recommending working major muscle groups at least two days per week. Marfred Suazo, a fitness professional known as Fonz the ...

Here’s what the workout can and can’t do for your fitness. Credit...Eric Helgas for The New York Times Supported by By Danielle Friedman Q: I’ve heard that Pilates can give you long, lean muscles. Is ...