Pick your answer from:
a). Unlike many exercises, double-leg raises only involve lifting weights at shoulder-level. Place your feet on the ground beneath you on either a exercise mat or floor plate with a palm up.
b). When doing calf raises, hold a stationary dumbbell in your hands and swing your arms up so they're over your head. Perform calf raises over a soccer ball with your left leg, a volleyball with your right knee, or a giant golf tee with your left foot.
c). Begin by doing this exercise doing one set of 10 to 20 squats with a set of 10 to 15 squats in between. Then do five or six sets for each leg.
d). It strengthens both the gastrocnemius and soleus muscles. To start off, you will need to stand near a wall to balance yourself, if needed, and your feet should be hip-width apart with your ankles, knees and hips vertically aligned.Choose from options above and answer: What most naturally follows?

How to build calf muscle without equipment
Do double-leg calf raises.
This is a classic exercise for toning and strengthening the calf muscles. This workout utilizes your own body weight instead of a weight machine to help build muscle mass.
Answer:
d).