Forearms lifting
Keep the forearms supported so the movement stays at the wrist.
Single-Arm Wrist Curls
Single-Arm Wrist Curls strengthens the forearm muscles through focused wrist movement with the forearms supported or still.
- Primary muscle
- Forearms
Primary musclesWrist flexors
Secondary musclesFinger flexors, Brachioradialis
- Equipment
- Dumbbells
How to perform Single-Arm Wrist Curls
Follow the sequence in order, paying attention to the starting position, movement path, and finish described in each step.
Sit and support one forearm on the thigh or a bench with the palm facing up and wrist just beyond the edge.
Hold a light dumbbell securely and keep the forearm pressed into the support.
Lower the palm through a comfortable wrist-extension range without opening the hand completely.
Curl the palm toward the forearm using the wrist flexors while the elbow remains still.
Lower slowly, complete the set, and repeat with the other wrist.
Common Single-Arm Wrist Curls mistakes
Using too much weight
Choose a light load that allows the full small wrist range without jerking.
Forcing joint range
Stop at a controlled muscular stretch and contraction rather than bending the wrist aggressively.
Rushing repetitions
Use a slow return and keep every repetition separate.
When to modify or choose another exercise
- Forearms lifting: Keep the forearms supported so the movement stays at the wrist.
- Forcing joint range: Stop at a controlled muscular stretch and contraction rather than bending the wrist aggressively.
- Stop when the exercise produces sharp, catching, radiating, or increasing joint pain rather than the expected muscular effort.
- Alternative Supported Single-Arm Wrist Curls: Hold a stable support or use an easier setup while learning the movement.
- For Single-Arm Wrist Curls, compare sides with the same starting load and range; a persistent or painful asymmetry should be assessed rather than trained around blindly.
How to use Single-Arm Wrist Curls in a training program
Where it fits in a session
Place Single-Arm Wrist Curls near the end of the session so forearm fatigue does not limit heavy pulling or loaded carries.
How often to use it
Use one to three times per week and reduce direct work when gripping volume is already high.
Starting rep ranges by goal
| Goal | Sets | Reps or time | Rest | Effort and execution |
|---|---|---|---|---|
| Strength accessory | 2–4 | 6–10 per side | 75–150 sec | Leave 2–3 controlled reps in reserve |
| Muscle growth | 2–4 | 10–20 per side | 60–120 sec | Usually 1–3 clean reps in reserve |
Pairing and sequencing
- Use Single-Arm Wrist Curls after Deadlifts or Barbell Bent Over Rows so grip fatigue does not limit those compound lifts.
- Pair it with Seated Calf Raises when building a short accessory block.
Scale the movement
Regressions and progressions for Single-Arm Wrist Curls
Start with an easier option
Supported Single-Arm Wrist Curls
Hold a stable support or use an easier setup while learning the movement.
Reduced-range Single-Arm Wrist Curls
Use a shorter pain-free range and expand it only as control improves.
Progress when form is repeatable
Tempo Single-Arm Wrist Curls
Slow the lowering phase without changing the start, finish, or joint alignment.
Paused Single-Arm Wrist Curls
Add a brief pause at the hardest controlled position before increasing load.
References
- American Council on ExerciseACE Exercise Library ↗
- Mayo ClinicWeight Training: Do's and Don'ts of Proper Technique ↗
- American College of Sports MedicineACSM Resistance Training Guidelines Update ↗
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