Lunges are worth the effort you put into them. They work many muscle groups at once, including hips, glutes, quads, hamstrings and core. In addition to strengthening muscles, lunges help with balance, ...

FOR FELLAS OVER 40, few exercises pack a more versatile (and important) punch than the lunge. We lose muscle as we age—that's just a fact of life. Stability and balance become more difficult.