Seated calf raise: proper form, muscles worked and common mistakes

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How to do it

Pad over the thighs and the ball of the foot on the step. Push through the forefoot raising the heel as high as possible and lower until you feel the stretch; the bent knee biases the soleus.

Muscles worked

Main muscle: calves. When it plans weekly volume, every set of this exercise counts in full for calves: the generator does not split it with other muscles.

Seated calf raise vs. the leg press version: here the soleus leads

A bent knee changes the split completely. In the leg press calf raise the almost-straight leg lets the gastrocnemius carry the load; seated, with knees bent around 90° and the pad on your thighs, that muscle is shortened and the soleus, which lies underneath, takes more of the work. That is why it is not interchangeable with the standing versions: if you only do straight-knee raises, you leave an important part of the calf under-stimulated.

Pick it when you want to round out calf development and already have a standing movement in your routine. It goes well at the end of a leg session or on its own on an arm day. The soleus tends to respond well to somewhat higher reps, 12 to 20, with a clear pause at the bottom and another at the top. The machine is very stable and asks for no balance, so you can get close to failure without worry.

A detail of its own: pad placement. It should sit on the lower thigh, just above the knee, not on the kneecap, which is a sore and poorly supported spot. Adjust the seat so the knee sits near 90° and do not let the weight pop up on a bounce: control the lowering and stop when you feel the full stretch of the heel.

Recommended sets and reps

As an isolation exercise, it works best in 3–4 sets of 10–15 reps with 0–2 RIR. Use it at the end of the session to add volume without systemic fatigue.

Common mistakes to avoid

• Bouncing at the bottom using the Achilles tendon stretch reflex, without a pause or full stretch.
• Not adjusting the seat and pads to your body: your joint should line up with the machine's pivot.
• Cutting short the part of the range where the muscle is stretched: that is exactly where this exercise gives the most stimulus.

What the research says

As an isolation move, it is mostly a way to add volume to one muscle. Gentil and colleagues (2013) found that, in beginners, adding it to a multi-joint exercise gave no extra arm growth; it pays off later on, or for muscles the compounds barely reach.

It loads the muscle in the stretched position, which is where several trials find more growth: more hypertrophy from seated than lying leg curls (Maeo and colleagues, 2021) and better quad results from training the long part of the range (Pedrosa and colleagues, 2022). So do not cut the bottom of the rep short.

You do not need to reach failure on every set: according to the meta-analysis by Refalo and colleagues (2023), stopping one or two reps short gives very similar growth. The generator prescribes it with RIR for that reason.

Seated calf raise: it trains the soleus, hardly the gastrocnemius

The gastrocnemius crosses the knee; the soleus does not. With the knee bent to 90 degrees the gastrocnemius is shortened and can barely contribute force, so the work falls on the soleus. Kinoshita and colleagues measured what that means for growth in 2023 in Frontiers in Physiology: fourteen adults trained for twelve weeks, one leg with standing raises and the other seated, with the same relative load and number of sets.

In the leg trained seated, the gastrocnemius did not grow significantly: 1.7% and 0.6% (Kinoshita et al., 2023). The soleus grew the same in both legs. That is why this machine does not replace the standing raise: it complements it when you want more direct soleus work, which makes up much of the calf's bulk beneath the gastrocnemius.

Related guide

Best leg exercises for the gym and at home

Alternative exercises

• Standing calf raise
• Leg press calf raise
• Barbell calf raise
• Dumbbell calf raise
• Donkey calf raise

More isolation exercises

• Low cable shrug
• Band shrug
• Dumbbell shrugs
• Barbell shrugs
• Cable hip extension

Add it to your routine

Progrevia can generate a personalized routine that includes Seated calf raise based on your level, goal and available days.

Frequently asked questions

What muscles does Seated calf raise work?

Seated calf raise mainly works the calves muscle group, plus synergist and stabilizer muscles depending on the variation.

How many sets of Seated calf raise should I do?

Between 3 and 5 sets per session, adjusting the total weekly volume for calves to your level (about 10–20 sets per muscle per week).

Do I need seated calf raises if I already do standing ones?

If you want complete calf development, it is worth including them: standing work hits mostly the gastrocnemius, while seated with a bent knee gives the soleus more of the job. If you are short on time, one or two sets of each type per session already cover both muscles and take little space in your routine.

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