Dumbbell Forearm Curl

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Beginner
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A seated isolation exercise using dumbbells, focusing on wrist flexion to build size and strength in the forearm flexor muscles, often done using high repetitions.

About Exercise

Equipment

Dumbbells

Difficulty

1/5 • Beginner

Primary Muscle Groups

Forearms

Popularity Score

6

Goals

Hypertrophy
Strength

Training Style

Bodybuilding

Setup Requirements

Requires Rack

No

Requires Bench

No

Requires Spotter

No

Space Needed

Small

Noise Level

Low

Muscle Breakdown

Forearms

10/10

Flexors

Programming

Typical Rep Range

10-20 reps

Rest Between Sets

60-120 seconds • Use moderate rest for isolation work focusing on hypertrophy.

How to Perform

Sit on a bench, holding a dumbbell in each hand with an underhand grip (palms up). Rest your forearms flat on your thighs or a bench, letting your hands and the dumbbells hang over the edge.

  1. Slowly lower the dumbbells by extending your wrists fully until you feel a comfortable stretch in your forearms.
  2. Keep your forearms pressed against the supporting surface and stabilized.
  3. Curl the dumbbells upward by flexing your wrists as high as possible.
  4. Squeeze the forearm flexors hard at the peak of the contraction.
  5. Return slowly to the extended position to complete the repetition.

Coaching Tips

Form Cues

  • Full wrist extension.
  • Squeeze the flexors.
  • Slow and controlled.
  • Isolate the movement.

Breathing

Inhale as you extend the wrists and lower the weight; exhale as you flex the wrists and curl the weight up.

Tempo

3-0-1

Range of Motion

Move through the full range of wrist flexion and extension, from maximum comfortable stretch to peak contraction.

Safety

Safety Notes

  • Use light to moderate weight; the wrist joint is susceptible to strain.
  • Ensure your grip is secure throughout the movement.

Spotting

Not recommended; use lighter weight or stop the set if grip fails.

Common Mistakes

  • Lifting the forearms or elbows off the support.
  • Using excessive weight causing limited range of motion.
  • Relying on momentum to lift the weights.

When to Avoid

  • Acute wrist, elbow, or forearm tendonitis.
  • Severe carpal tunnel syndrome.

Also known as

Dumbbell Wrist Curl, Seated Wrist Curl, Palms-Up Wrist Curl

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