Arms · Cable

Cable Unilateral Biceps Curl

How to do the cable unilateral biceps curl, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.

Animated demonstration of the Cable Unilateral Biceps Curl
Equipment
Cable
Difficulty
Beginner
Logged as
Weighted reps
Movement
Flexion
Mechanic
Isolation

How to do it

Set a cable pulley to the lowest position and grip the handle with one hand, palm facing forward. Keep your elbow pinned to your side and curl the handle up toward your shoulder, then lower under control.

  1. 1Feel your biceps contract hard as you curl the handle up
  2. 2Keep your elbow fixed at your side through the full range
  3. 3Maintain constant cable tension at the bottom of each rep

Common mistakes

  • Do not swing your torso or let your elbow drift forward
  • Do not use momentum; curl and lower under control
  • Do not let the weight stack slam or yank your arm down

Muscles worked

The cable unilateral biceps curl mainly works the biceps, with the forearms assisting.

  • BicepsPrimary
  • ForearmsSupport
  • Front DeltsMinor

Kovo programs the cable unilateral 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

See all biceps exercises →

Last reviewed June 2026.