Lower Legs Exercise · Sled Machine

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Hack One Leg Calf Raise

Training one leg at a time on the hack machine adds unilateral loading to what's already a heavier-loading calf exercise than most bodyweight or dumbbell versions allow. It's useful for catching side-to-side calf imbalances that two-leg machine work can hide.

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Category

Lower Legs

Equipment

Sled Machine

Target

Calves

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Exercise reference published by PlanWorkouts; see our editorial standards.

How to Do the Hack One Leg Calf Raise

1. Set the sled machine to a suitable weight.
2. Stand on the platform using just one foot, keeping the other foot lifted off the ground.
3. Hold the handles to keep yourself steady.
4. Push up onto the ball of your foot, raising your heel as high as it will go.
5. Pause briefly at the top, then lower your heel slowly back to the starting position.
6. Repeat for the desired number of repetitions.
7. Complete your target reps on one side, maintaining smooth control, then switch sides and repeat.

Technique & Form Tips

Execute ankle plantarflexion by lifting the heels according to your specific standing or seated setup. Ensure your feet remain stable and aligned on the platform throughout the full ascent and descent of the movement.

Common Mistakes to Avoid

• Elastic bouncing: Control the descent to avoid relying on tissue recoil at the bottom of the movement.
• Forcing the heel range: Raise and lower the heels within a range you can control rather than forcing a deep stretch or end position.
• Improper weight shift: Distribute your weight evenly across the ball of the foot rather than rolling to the outside.

How to Breathe During This Exercise

Breathe rhythmically throughout the lift.

Comfort and Control

Choose a load and range you can control. Stop if the movement causes pain. If discomfort persists, stop and ask a qualified professional about an appropriate exercise and range.

General guidance: Mayo Clinic on weight-training technique. Follow the specific movement steps above for this variation.

Muscles Worked

The Hack One Leg Calf Raise mainly targets your Calves, with your Hamstrings helping support the movement, along with your Glutes.

More Lower Legs Exercises

Ankle Circles Body Weight · Calves Assisted Lying Calves Stretch Assisted · Calves Band Single Leg Calf Raise Band · Calves Band Single Leg Reverse Calf Raise Band · Calves Band Two Legs Calf Raise - (band Under Both Legs) V. 2 Band · Calves Barbell Floor Calf Raise Barbell · Calves

More Calves Exercises

Barbell Seated Calf Raise Barbell · Calves Barbell Seated Calf Raise on a Step Barbell · Calves Barbell Standing Calf Raise Barbell · Calves Barbell Standing Leg Calf Raise Barbell · Calves Barbell Standing Rocking Leg Calf Raise Barbell · Calves Bodyweight Standing Calf Raise Body Weight · Calves

Equipment Alternatives

Don't have sled machine? These target the same calves with different equipment.

Bodyweight Standing Calf Raise Body Weight · Calves Barbell Seated Calf Raise Barbell · Calves Cable Standing Calf Raise Cable · Calves Dumbbell Seated Calf Raise Dumbbell · Calves

FAQ

What muscles does the Hack One Leg Calf Raise work?

The Hack One Leg Calf Raise mainly works your calves. It also helps strengthen your hamstrings and glutes. Using good, smooth form makes sure you work the right muscles and avoid unnecessary strain on your joints.

What equipment do I need for the Hack One Leg Calf Raise?

You do the Hack One Leg Calf Raise with a sled machine. Make sure your equipment is set up safely before starting. If you work out at home or have limited gear, check out our alternative exercises below.

What form mistake should I watch for on the Hack One Leg Calf Raise?

One mistake to watch for is elastic bouncing: Control the descent to avoid relying on tissue recoil at the bottom of the movement.. Use a comfortable range and a controlled return; reduce the load if you cannot maintain the demonstrated setup.

How many sets and reps should I perform on the Hack One Leg Calf Raise?

To tone and grow muscle, do 3 to 4 sets of 10 to 15 smooth reps with 60 seconds of rest, focusing on a full stretch and squeezing the muscle at the top of each rep.

What's a good alternative to the Hack One Leg Calf Raise?

The Bodyweight Standing Calf Raise trains your calves with body weight and a similar movement pattern. Review its form guide before substituting it, since setup and range of motion can differ.