TETSU

Bodyweight Side Lying Biceps Curl vs Cable Preacher Curl

The Bodyweight Side Lying Biceps Curl and the Cable Preacher Curl both train the biceps as their primary muscle. The Bodyweight Side Lying Biceps Curl is bodyweight-only while the Cable Preacher Curl uses a cable. Here is how they compare and when to pick each.

Head to head

Side-by-side comparison

Bodyweight Side Lying Biceps CurlCable Preacher Curl
Primary musclebicepsbiceps
Body partupper armsupper arms
Supporting musclesforearmsforearms
Equipmentbodyweightcable
Steps in our guide46
Setup

How each one starts

Bodyweight Side Lying Biceps Curl — first steps

  1. Lie on your side with your legs extended and your head supported by your arm.
  2. Hold your upper arm against your side and bend your elbow to curl your forearm towards your shoulder.

Cable Preacher Curl — first steps

  1. Adjust the cable machine so that the preacher curl pad is at chest height.
  2. Sit on the preacher curl bench and place your upper arms on the pad, gripping the cable attachment with an underhand grip.

Full step-by-step guides are linked below.

Decision

Which should you choose?

The Bodyweight Side Lying Biceps Curl needs no equipment and scales through leverage, tempo and reps. The Cable Preacher Curl keeps constant tension on the muscle through the whole range of motion. 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.

Guides

Full form guides

Answers

Common questions

Is the Bodyweight Side Lying Biceps Curl better than the Cable Preacher 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 Cable Preacher Curl keeps constant tension on the muscle through the whole range of motion. Choose based on your equipment and which movement you can progress consistently.

Can I do both the Bodyweight Side Lying Biceps Curl and the Cable Preacher 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 Cable Preacher 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.