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Cable Curl

Constant-tension curling without the grip limitations of free weights — the cable keeps the bicep loaded through the entire range of motion.

Setup

Set the cable pulley to the lowest position. Attach a straight or EZ bar, stand facing the machine with a slight step back from the weight stack.

Movement

Grip the bar with palms facing up. Arms extended, elbows pinned to your sides. Curl up, keeping constant tension. Bring the bar toward your shoulders, feeling the resistance throughout, not just at the top.

Return

Lower with control. Resist the cable's pull back down rather than letting it snap your arms straight.

Common Mistake to Avoid

Stepping too close to the machine. Standing too close reduces the cable angle and can reduce tension at the bottom of the rep — find a distance that keeps tension throughout.

Equipment Cable machine, straight or EZ bar attachment
Primary Muscles Biceps
Secondary Muscles Forearms

Why it matters

Unlike a dumbbell or barbell curl, where gravity means tension naturally drops off at certain points in the rep, a cable maintains consistent resistance throughout the full range of motion. That makes it a useful tool for keeping the bicep under tension longer per rep, which can be a different and valuable stimulus compared to free-weight curls.

How to do it

  1. Set the cable pulley to the lowest position. Attach a straight or EZ bar, stand facing the machine with a slight step back from the weight stack.
  2. Grip the bar with palms facing up. Arms extended, elbows pinned to your sides.
  3. Curl up, keeping constant tension. Bring the bar toward your shoulders, feeling the resistance throughout, not just at the top.
  4. Lower with control. Resist the cable's pull back down rather than letting it snap your arms straight.

Common mistakes

  • Stepping too close to the machine. Standing too close reduces the cable angle and can reduce tension at the bottom of the rep — find a distance that keeps tension throughout.
  • Leaning back to help the curl. Like the barbell curl, using body lean to assist the lift reduces the bicep's actual workload.
  • Letting the weight stack "rest" between reps. Part of the value of cable work is continuous tension — avoid fully resting the weight at the bottom of each rep.
  • Using an excessively heavy weight that forces poor form. Same principle as every curl variation — strict form at moderate weight beats sloppy form at heavy weight.

Sets & reps by level

Beginner

3 sets of 12–15 reps with light weight, focusing on continuous tension.

Intermediate

3–4 sets of 10–12 reps at a moderate, controlled pace.

Advanced

4 sets of 10–15 reps, sometimes used as a finishing movement after heavier free-weight curls.

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