Single-Leg Deficit Dumbbell Calf Raise: how to do it right
In short: Single-leg ankle extension with a dumbbell, forefoot on a raised platform for a deficit, which loads the calf at maximum stretch.

How to do it, step by step
- 1Place your forefoot on a step or block, heel hanging off, dumbbell on the working side.
- 2Straighten your support leg, keep the knee slightly unlocked, torso upright, free hand on something for balance.
- 3Let the heel drop slowly below the platform until you feel a clear calf stretch.
- 4Rise onto your toes as high as you can with no jerk, ankle aligned.
- 5Control the descent over 2 to 3 seconds, no bounce at the bottom.
- 6Do all your reps, then switch legs.
The mistake to avoid
Don't use your free hand to pull yourself up: it's only for balance.
Other common mistakes
- Bouncing at the bottom to get back up: it kills the stimulus and stresses the Achilles tendon, control the descent and add a slight pause.
- Partial range that ignores the deficit: you lose the whole point of the movement, let the heel drop well below the platform.
- Bending the knee a lot: it unloads the gastrocnemius, keep the leg almost straight.
- Only rising halfway onto your toes: it cuts the work short, go for full ankle extension at the top.
Muscles worked
- Main:
- Calves
The triceps surae: the gastrocnemius (the two big calf heads), which crosses two joints, works mostly with a straight knee. The soleus underneath takes over and works hard whatever your knee angle. The deficit lets both heads stretch deeper under load.
What to replace it with
Same muscle, same part of the movement: these exercises do the same job.
- Fast-Feet Jump Rope ›
- Leg Press Calf Raise ›
- Donkey Calf Raise ›
- Standing Calf Raise Machine ›
- Deficit Step Calf Raise ›
Frequently asked questions
How do I do this deficit calf raise correctly?
Forefoot on the block, heel hanging off, support leg straight with the knee slightly unlocked, torso upright, free hand resting on something for balance. Let the heel drop slowly below the platform until you feel a clear calf stretch, then rise onto your toes as high as you can with no jerk, ankle aligned. Do all your reps, then switch legs.
How low do I drop my heel?
Let the heel drop well below the level of the platform, until you get a clear stretch. That's the deficit, and it's the whole point of the movement: tension is highest at the bottom, with the calf lengthened. At the top, go for full ankle extension, not halfway. A partial range here makes the exercise pointless.
Where should I feel it?
A clear stretch through the whole calf when the heel is down, then a deep burn on the way up. The gastrocnemius works mostly with a straight leg, and the soleus underneath takes over whatever your knee angle. If you mostly feel the arch of your foot, your forefoot is slipping or too close to the edge of the block: reposition it.
What tempo for deficit calf raises?
Control the descent over two to three seconds, hold one second with the heel down under tension, then rise with no jerk. Zero bounce. That controlled low phase is what triggers the stimulus, and a bounce both costs you the work and needlessly stresses the Achilles tendon.
How do I place my foot on the step?
Forefoot on the edge of the step or block, heel completely hanging off, with enough room for the heel to drop well below the platform without touching the floor. A step of ten to fifteen centimeters is plenty. Your free hand stays on a wall or an upright: you're not here to work on balance, you're here to work the calf.