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ArmsDumbbellIsolation — wrist flexion

Seated Dumbbell Wrist Curl

Reviewed by Bryan Cortez, MS

Pin the forearms, then make the wrist flexors move the dumbbells.

Rep Sweet Spot
12-25
Sets
2-4
sets
RIR
1-3

Demonstration

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How to do it

Setup

  • Sit with forearms supported on thighs or a bench
  • Turn palms up
  • Let the hands extend past the support edge
  • Hold the dumbbells without crushing the grip

Execution

  • Lower by extending the wrists
  • Curl the palms toward the forearms
  • Pause without lifting the elbows
  • Control the full return

Common Errors

  • Bending the elbows
  • Lifting the forearms from support
  • Rolling the dumbbells into the fingertips without control
  • Using a shortened bounce

Cues That Work

  • Forearms glued down; curl only at the wrist; own the bottom

No-Fly Zone

Avoid loads that lift the forearms from the bench or force a painful wrist position.

Programming

Sequence priority

Late

Grip fatigue can interfere with earlier pulling, so direct wrist work usually belongs after the main lifts.

Progression

Model — Double

Fallback model — Density

Keep forearm contact and wrist range fixed; add reps before using the smallest dumbbell increase.

Best program fit

Pull

Load increments

Standardthe smallest dumbbell jump available
Smaller incrementadd reps or a one-second top squeeze
Larger incrementmove up one dumbbell pair only after full range is stable

If it hurts

Pain is information, not a challenge to push through. Stop the set if pain is sharp, worsening, or changes how you move. These are exercise-selection options, not medical diagnosis or rehabilitation advice.

Work down this list in order. Stop at the first change that removes the pain.

  1. Step 1

    Setup tweaks

    Change support height or use one arm at a time until the wrist moves freely.

  2. Step 2

    ROM / tempo / bias

    Use a three-second lowering phase or a one-second top pause.

  3. Step 3

    Implement swap

    Cable wrist curl or seated barbell wrist curl.

Substitutions

Approved fallback

Cable wrist curl or seated barbell wrist curl.

The Evidence

This directly loads wrist flexion. It does not guarantee better grip performance by itself because finger strength and task-specific gripping can remain separate limits.

SFR — 4.5

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