Cardio done right can really help you build calf muscles, despite what a lot of people say. Running versus jogging will force your calves to support your weight and help build them up. If you feel like you aren’t getting enough of a workout from this or can’t run fast enough to make a difference, try using ankle weights to add stress. Another cardio exercise you can do is jumping rope. This method, in particular, really helps tone and shape your calves and is excellent for burning fat. I actually jump rope a lot as a regular part of my workout, and I can feel the burn! My legs feel like they are on fire afterwards, which is a good sign that it’s working.