Arms · Bodyweight
Stepjack Inner Biceps Curl
How to do the stepjack inner biceps curl, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.
- Equipment
- Bodyweight
- Difficulty
- Beginner
- Logged as
- time
- Movement
- Flexion
- Mechanic
- Isolation
How to do it
Step out to the side like a low-impact jumping jack while curling both hands up with palms facing in toward your shoulders. Step back in and lower your hands, then repeat to the other side in a continuous rhythm.
- 1Feel your biceps working as you curl your hands up with palms facing in
- 2Keep your elbows close to your ribs throughout the curl
- 3Stay light on your feet and time the curl with each step out
Common mistakes
- Do not let your elbows drift forward or flare out as you curl
- Avoid using a swing or body english to lift your hands
- Do not stomp your feet; keep the steps light and controlled
Muscles worked
The stepjack inner biceps curl mainly works the biceps, with the forearms and calves assisting.
- BicepsPrimary
- ForearmsSupport
- CalvesSupport
- Upper AbsMinor
- Lower AbsMinor
- QuadsMinor
- GlutesMinor
- Front DeltsMinor
- AdductorsMinor
- Hip FlexorsMinor
- Tibialis AnteriorMinor
Kovo programs the stepjack inner biceps curl 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 biceps exercises
- How to do the resistance band bicep curl
- How to do the resistance band hammer curl
- How to do the barbell bicep curl
- How to do the cable bicep curl
- How to do the cable hammer curl
- How to do the overhead bicep curl
Last reviewed June 2026.