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Machine Bicep Curl

The Machine Bicep Curl primarily targets your Biceps. It requires machine and is best suited to beginner lifters.

Beginner level · Equipment: Machine · Isolation · Pull

Primary muscles: Biceps

How to perform Machine Bicep Curl

  1. Step 1. Adjust the seat to the appropriate height and make your weight selection. Place your upper arms against the pads and grasp the handles. This will be your starting position.
  2. Step 2. Perform the movement by flexing the elbow, pulling your lower arm towards your upper arm.
  3. Step 3. Pause at the top of the movement, and then slowly return the weight to the starting position.
  4. Step 4. Avoid returning the weight all the way to the stops until the set is complete to keep tension on the muscles being worked.

Frequently asked questions

Which muscles does the machine bicep curl primarily target?

The machine bicep curl is an isolation exercise that focuses exclusively on the biceps brachii. It provides constant tension throughout the range of motion, which is difficult to achieve with free weights.

How should I align my body for the best results?

Adjust the seat height so your elbows align directly with the machine's pivot point. Keep your upper arms flat against the pad to prevent shoulder involvement and ensure the biceps do the work.

What is a common mistake to avoid during this exercise?

Avoid using momentum or leaning back to lift the weight, which shifts tension away from the biceps. Do not allow your wrists to curl excessively; keep them in a neutral or slightly extended position.

Is the machine bicep curl suitable for beginners?

Yes, it is ideal for beginners because the fixed path of motion provides stability and reduces the need for complex coordination. It allows new lifters to focus on the mind-muscle connection safely.

What is the recommended set and rep range for muscle growth?

Perform 3 to 4 sets of 8 to 12 repetitions to maximize hypertrophy. Focus on a controlled eccentric phase, taking two to three seconds to lower the weight on every rep.

Sample sets & reps for Machine Bicep Curl

  • Form first: 3 sets × 10-12 reps, 60s rest. RPE 6, focus on the target muscle.
  • Hypertrophy: 3 sets × 12-15 reps, 45-60s rest. RPE 7-8, controlled eccentric.
  • Burnout finisher: 2 sets × 15-20 reps, 45s rest. RPE 9, last set to failure.

Pick the scheme that matches your goal. Beginners should start at the lower end of every range; progress weight only when you hit the upper end of the rep range with one or two reps in reserve.

Related Biceps exercises

  • Alternate Hammer Curl — dumbbell
  • Alternate Incline Dumbbell Curl — dumbbell
  • Barbell Curl — barbell
  • Barbell Curls Lying Against An Incline — barbell
  • Brachialis-SMR — stretch

See all Biceps exercises →

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