Legs · Plantar flexion

Calf Press on a Leg Press Machine

The leg press calf press is a calf raise performed on a leg press machine, with only the balls of your feet on the bottom edge of the platform and your legs straight. The seat and sled support the weight, so you can load the gastrocnemius heavily and safely without balance, and add weight in small steps.

Also known as: Leg press calf raise, Calf raise on leg press, Leg press calf press

Muscle group: Legs
Movement pattern: Plantar flexion
Type: Isolation
Equipment: Leg press machine
Difficulty: Beginner

What muscles does the calf press on a leg press machine work?

Primary movers

Gastrocnemius

Assisting muscles

Soleus
Tibialis posterior
Peroneals

With your legs straight, the gastrocnemius, the large muscle on the back of the lower leg, does most of the work. It crosses both the knee and the ankle, so a straight knee gives it its best leverage.

The leg press supports your back, so you can load the calves heavily without having to hold weight on your shoulders or balance on your feet.

Because your legs are straight, the soleus still works but less. Combine this with seated calf raises for complete development.

Keep the knees almost straight but not locked. Locking them hard can stress the joints under heavy load.

How to do the calf press on a leg press machine

Setup

1
Sit in the leg press and place the balls of your feet on the bottom edge of the platform, with heels off.
2
Push the platform to extend your legs and release the safeties.
3
Keep your knees almost straight, not locked.
4
Sit back with your head and back on the pad.

Execution

1
Lower your heels as far as possible for a deep stretch.
2
Pause at the bottom.
3
Press through the balls of your feet to raise your heels as high as you can.
4
Squeeze your calves at the top.
5
Lower slowly.
6
Keep your knees steady.

Common calf press on a leg press machine mistakes

Locking out the knees

Hard lockouts under load stress the knee joint.

The fix: Keep a very slight bend.

Bouncing

Rebounding from the bottom uses the tendon.

The fix: Pause for a second in the stretch.

Feet too high on the platform

Your heels then lack space to drop and the range is cut.

The fix: Place the balls of your feet at the bottom edge.

Too heavy

A heavy sled leads to short bouncing reps.

The fix: Use a weight you can control for 10 to 20 reps.

How many sets and reps?

Goal	Sets	Reps	Load	Rest
Hypertrophy	3–4	10–20	Moderate to heavy	60 s
Endurance	3	20–30	Light	45 s
Beginner	2–3	12–15	Light	60 s

A convenient calf exercise at the end of a leg day. Use slow reps and a long pause at the stretch. Add weight gradually, because leg press plates add up fast.

Running the calf press on a leg press machine in your next block? Hercules logs every set, shows last session's numbers before you lift, and suggests when to add weight.

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