Arms · Cable

Single Arm Bicep Curl

How to do the single arm bicep curl, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.

Animated demonstration of the Single Arm Bicep Curl
Equipment
Cable
Difficulty
Intermediate
Logged as
Weighted reps
Movement
Curl
Mechanic
Isolation

How to do it

Stand next to a low pulley cable. Grip the handle with your palm facing forward and curl toward your shoulder, keeping your elbow fixed at your side. Pause and squeeze, then lower with control. Perform all reps on one side before switching.

  1. 1Feel the biceps on one arm working as you curl the cable handle toward your shoulder
  2. 2Keep your elbow tucked at your side and control the cable's resistance
  3. 3Squeeze at the top and slowly lower to maintain tension

Common mistakes

  • Avoid swinging your torso or using momentum
  • Don't let your wrist bend or rotate excessively
  • Avoid flaring your elbow forward; keep it by your ribcage

Muscles worked

The single arm bicep curl mainly works the biceps, with the forearms assisting.

  • BicepsPrimary
  • ForearmsSupport
  • Front DeltsMinor

Single Arm Bicep Curl strength standards

See how your single arm bicep curl ranks, from Bronze to Champion. These are the same standards the Kovo app uses to rank your lifts.

  • Bronzee1RM35 lb
  • Silvere1RM72.5 lb
  • Golde1RM127.5 lb
  • Platinume1RM185 lb
  • Diamonde1RM222.5 lb
  • Champione1RM255 lb

Find your rank

Enter your best set. We estimate your 1RM and match it to a tier.

Kovo tracks this rank automatically as you train, across every lift, and levels you up as you get stronger.

Kovo programs the single arm bicep 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 April 2026.