If your calves refuse to grow, it’s probably because you’re not willing them to do so. Most guys’ calves are very stubborn, and if you half-ass your lowerleg workouts—doing a few uninspired sets of calf raises right before you leave the gym a couple of days a week—chances are those stubborn muscles won’t budge. to get this body part to respond, you need to train calves frequently (at least three days a week), and you need to feel the burn when you’re training them. A calf workout that doesn’t illicit pain from start to finish is probably not intense enough. But don’t worry—we’ve got you covered.