21s Bicep Curl
Learn how to do the 21s Bicep Curl with proper form, setup, and execution.
This barbell movement primarily targets biceps, including long head, short head.
How to Perform 21s Bicep Curl
- 1
Grab a straight or curved bar evenly and stand tall. Bring your shoulders back, squeeze your glutes, and take a breath.
- 2
Curl the weight halfway to the point where your wrists align with your elbows for seven repetitions.
- 3
Immediately curl the bar from the halfway point to the top where your wrists are a couple of inches higher than your elbows for another seven repetitions.
- 4
Finish by doing seven complete repetitions from full arm extension to the top position, breathing steadily as you do.
Training Guidelines
The targets below are general guidelines. Adjust volume and intensity based on your experience, recovery, and goals. If you track effort, aim for most working sets around RPE 7–9.
| Goal | Sets | Reps | Rest |
|---|---|---|---|
| Strength | 3-5 | 4-6 | 2-3 min |
| Muscle Growth | 3-4 | 8-12 | 60-90 sec |
| Endurance | 2-3 | 15-20 | 30-60 sec |
| Beginner | 2-3 | 10-15 | 60-90 sec |
Want to pair movements efficiently? Try grouping them as supersets.