![how to do a calf raise hiit exercise](http://www.grouphiit.com/cdn/shop/products/calf_raise_hiit_leg_exercises_{width}x.png?v=1478206991)
It can be hard to isolate the calf muscles, but this simple movement is guaranteed to help you do it and start toning up your lower legs. Stand straight with a neutral back and hips. Raise to your toes while flexing calves and squeezing glute muscles. For an extra challenge, try this movement with weights in each hand or standing on a small ledge for a greater range of motion.