Legs · Bodyweight

Hack Calf Raise

How to do the hack calf raise, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.

Animated demonstration of the Hack Calf Raise
Equipment
Bodyweight
Difficulty
Beginner
Logged as
Weighted reps
Movement
Extension
Mechanic
Isolation

How to do it

Stand with the balls of your feet on the platform of a hack squat machine, shoulders under the pads and legs straight but not locked. Press through the balls of your feet to raise your heels as high as possible, then lower slowly to feel a stretch.

  1. 1Feel your calves contract as you press your heels up
  2. 2Move through a full range, legs straight but not locked
  3. 3Hold the top squeeze, then lower slowly to stretch

Common mistakes

  • Do not bounce or use momentum
  • Avoid rolling your ankles; keep weight on the balls of your feet
  • Do not lock your knees at the top

Muscles worked

The hack calf raise mainly works the calves.

  • CalvesPrimary
  • QuadsMinor
  • HamstringsMinor

Kovo programs the hack calf raise for you and tracks it every session.

We build your whole program, drop the right lifts into each workout, and adjust your weights as you get stronger. Free on iOS and Android.

More calves & shins exercises

See all calves & shins exercises →

Last reviewed June 2026.