TETSUBodyweight Side Lying Biceps Curl vs Ez Barbell Curl
The Bodyweight Side Lying Biceps Curl and the Ez Barbell Curl both train the biceps as their primary muscle. The Bodyweight Side Lying Biceps Curl is bodyweight-only while the Ez Barbell Curl uses an ez bar. Here is how they compare and when to pick each.
Side-by-side comparison
| Bodyweight Side Lying Biceps Curl | Ez Barbell Curl | |
|---|---|---|
| Primary muscle | biceps | biceps |
| Body part | upper arms | upper arms |
| Supporting muscles | forearms | forearms |
| Equipment | bodyweight | ez bar |
| Steps in our guide | 4 | 5 |
How each one starts
Bodyweight Side Lying Biceps Curl — first steps
- Lie on your side with your legs extended and your head supported by your arm.
- Hold your upper arm against your side and bend your elbow to curl your forearm towards your shoulder.
Ez Barbell Curl — first steps
- Stand up straight with your feet shoulder-width apart and hold the ez barbell with an underhand grip, palms facing up.
- Keep your elbows close to your torso and your upper arms stationary throughout the movement.
Full step-by-step guides are linked below.
Which should you choose?
The Bodyweight Side Lying Biceps Curl needs no equipment and scales through leverage, tempo and reps. The Ez Barbell Curl angles your grip to take stress off the wrists and elbows. If your gym has both options, neither is a wrong choice: pick the one that feels strongest through a full range, and swap after 6 to 8 weeks to keep the biceps adapting.
Full form guides
Common questions
Is the Bodyweight Side Lying Biceps Curl better than the Ez Barbell Curl?
Neither is universally better — both train the biceps as the primary mover. The Bodyweight Side Lying Biceps Curl needs no equipment and scales through leverage, tempo and reps, while the Ez Barbell Curl angles your grip to take stress off the wrists and elbows. Choose based on your equipment and which movement you can progress consistently.
Can I do both the Bodyweight Side Lying Biceps Curl and the Ez Barbell Curl in the same program?
Yes, but usually not in the same session — they overlap heavily on the biceps. A common setup is one as your main movement and the other on a second training day, or alternating them block by block.
Do the Bodyweight Side Lying Biceps Curl and the Ez Barbell Curl work the same muscles?
Yes — the primary muscle is the same (biceps) and both rely on the same supporting muscles: forearms.
Track it in Tetsu
Tetsu tracks both movements separately, keeps your PRs per exercise, and tells you which one is actually progressing. Free to start.