The following videos shows how to set the Compex up and recommended exercises to perform with Compex on the Calf Muscles.

The calf muscles are located on the back of the lower leg and include two major muscles, the gastrocnemius muscle, and the soleus muscle. The gastrocnemius muscle is important in lower-body explosive movements, as well as in long-distance endurance activities.  The soleus muscle is primarily responsible for plantar-flexion movements, such as those when you come up onto your toes.



To incorporate Compex’s Electric Muscle Stimulation into your calf workout routine, place two electrodes on the upper gastrocnemius muscle and two electrodes on the lower soleus muscle. If you are unsure where to place the electrodes, our motor point pen accessory to the Compex system can help locate the appropriate motor points for placement. Once the electrodes are secured, bring the intensity up to a 7/10, with 10 being so uncomfortable that you want to pull the electrodes off. This intensity level will set you up to recruit the most muscle fibers possible.

Always consult with your doctor before starting an exercise program. Include a warm-up and cooldown in your routine to prevent injuries and muscle soreness.

Compex’s Electric Muscle Stimulation system will run through two phases, the “contraction phase” and the “rest phase.” On the contraction phase, the Compex unit is inducing a muscle contraction via electrical impulses producing action potentials within the muscle. On the rest phase, the Compex unit is in a twitch setting which promotes muscle recovery and blood flow.

The entry level movement to include Compex into your calf strengthening routine is the calf raise. To perform the calf raise:

1-) Stand tall, with your feet shoulder-width apart.
2-) During the “contraction phase” and keeping the knees soft, lift the heels up off the ground.
3-) Slowly lower, and relax during the “rest phase.”
4-) Repeat 10 times for 2-3 sets.

Progressions on the calf raise exercise can include switching to standing on one leg. The exercise would, then, be completed one leg at a time. Our recommended advanced calf exercise using the Compex unit is the double leg hop. To perform the double leg hop:

1-) Stand tall, with your feet shoulder-width apart.
2-) During the “contraction phase,” jump up and down on the balls of your feet. The heels should just touch the ground on landing.
3-) During the “rest phase,” relax the muscles.
4-) Repeat 10-12 times for 2-3 sets.

With Compex's Electric Muscle Stimulation, get on track to not only achieving but surpassing your fitness goals. Gain strength where you want to be gaining and get there more efficiently than ever before.


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Compex is part of the DJO Global family,. DJO is multinational orthopedic medical device company and we can assist you to get and keep moving. From prevention to recovery, DJO Global enables people to live their lives to the fullest by providing intelligent medical technologies and services. #MotionIsMedicine 

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