The seated calf raise is a great machine that allows you to strengthen and define the calf muscle.  Muscles Involved:  Calves.

Body Alignment:
o  Sit down on a seated calf-raise machine.
o  Place the balls of your feet on the platform and the kneepad on the lower part of your front thigh.
o  Keep your torso and head squared to the front.
o  Brace the transverse abdominals.

Movement:
o  Slowly lower your heels and let your calf muscles stretch as far down as possible.
o  Hold that stretch for a couple of seconds.
o  Push off the balls of your feet and come up to your tiptoes, pressing the weight up as high as possible.
o  Lower the weight slowly.
o  Repeat.

Training Tip:

Maintain a good, strict form and do not use momentum.