Exercise guide
Standing Single Leg Concentration Calf Raise
- Beginner
- Isolation
- Rep-based
- Lower legs
This unilateral isolation exercise targets the gastrocnemius and soleus, allowing for a deeper range of motion and improved ankle stability by focusing on one leg at a time.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Stand on the edge of a step or elevated platform with the ball of your working foot firmly planted and the heel hanging off.
- Lift the non-working foot off the ground, tucking it behind the ankle of the working leg or letting it hang freely.
- Place one hand on a wall or sturdy object for balance, ensuring you do not use it to pull yourself upward.
- Keep your standing leg straight with a soft micro-bend in the knee to protect the joint.
How to do it
- Slowly lower your heel toward the floor until you feel a deep stretch in your calf muscle while inhaling.
- Drive through the ball of your foot and big toe to lift your heel as high as possible, exhaling during the ascent.
- Pause at the peak of the contraction for one second, squeezing the calf muscle forcefully.
- Lower back down with a controlled 3-second tempo to the starting stretched position.
Form checklist
- Keep the working knee straight to prioritize the gastrocnemius over the soleus.
- Avoid using momentum or 'bouncing' at the bottom of the movement.
- Maintain a vertical torso and avoid leaning forward or using your hands to assist the lift.
- Ensure the weight is distributed across the ball of the foot rather than rolling onto the outer toes.
Pro tips
- Focus on pushing specifically through the big toe to maximize medial calf activation and prevent the ankle from rolling outward (supinating).
- Pause for a full two seconds at the bottom stretch to dissipate the stretch reflex and force the muscle to do all the work.
Make it harder
- Hold a dumbbell in the hand on the same side as the working leg to increase the load.
- Perform the exercise with a 5-second eccentric (lowering) phase to significantly increase time under tension.
Frequently asked
- What muscles does the standing single leg concentration calf raise work?
- The standing single leg concentration calf raise primarily targets the calves, and also works the glutes and hamstrings as secondary muscles.
- What equipment do you need for the standing single leg concentration calf raise?
- The standing single leg concentration calf raise requires no equipment — just your body weight.
- Is the standing single leg concentration calf raise good for beginners?
- Yes. The standing single leg concentration calf raise is a beginner-friendly movement and a strong foundation to build on.
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- 4 Way Single Leg HopAdvanced · calves, glutes, hamstrings, and quadriceps
- Air Pillow Single Leg BalanceIntermediate · abs, calves, and obliques