Dumbbell One Arm Hammer Preacher Curl

bicepsupper armsdumbbell

Learn how to do the Dumbbell One Arm Hammer Preacher Curl with proper form and technique. This dumbbell exercise primarily targets your Biceps, with secondary emphasis on Forearms.

Dumbbell One Arm Hammer Preacher Curl exercise demonstration showing proper form

How to Do the Dumbbell One Arm Hammer Preacher Curl

Follow these steps to perform the Dumbbell One Arm Hammer Preacher Curl with correct form:

  1. 1Sit on a preacher bench with a dumbbell in one hand and your upper arm resting on the pad.
  2. 2Hold the dumbbell with a neutral grip (palms facing your body).
  3. 3Keeping your upper arm stationary, exhale and curl the dumbbell up towards your shoulder.
  4. 4Pause for a moment at the top, squeezing your biceps.
  5. 5Inhale and slowly lower the dumbbell back to the starting position.
  6. 6Repeat for the desired number of repetitions, then switch arms.

Dumbbell One Arm Hammer Preacher Curl Muscles Worked

Primary

biceps

Secondary

forearms

Exercise Details

Equipment
dumbbell
Body Part
upper arms
Category
Extended

Recovery & Training Frequency

Recommended Recovery Time
1–2 days
Weekly Frequency
2–4 sessions per week
Why
Small muscles like the biceps, triceps, and calves have a limited cross-sectional area and are already engaged during compound pulling and pressing. They typically recover in 24–48 h, making 2–4 direct sessions per week feasible (Israetel, 'Scientific Principles of Strength Training').

Sets & Reps by Goal

Strength

Sets
3–4
Reps
5–8
Rest
90–120 s

Isolation movements can be trained with moderate loads for strength, though peak strength expression is secondary to compound lifts.

Hypertrophy

Sets
3–5
Reps
10–20
Rest
45–90 s

Isolation exercises shine in the 10–20 rep range with a 2-second eccentric. Taking the final set close to failure drives maximum hypertrophic stimulus.

Endurance

Sets
2–4
Reps
20–30
Rest
20–45 s

Light-load, high-rep isolation work is useful for rehab, joint health, and pump-focused training.

Which Workout Splits Include Dumbbell One Arm Hammer Preacher Curl?

Based on the muscles this exercise targets, it fits naturally into these training splits and day types:

P

Push / Pull / Legs

Pull Day

U

Upper / Lower

Upper Day

F

Full Body

Any session

B

Bro Split

Arms Day

Training Day Types:pullupper

Not sure which split is right for you? Cora builds personalised training plans that match your schedule and goals. Learn more about progressive overload.

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Frequently Asked Questions

What muscles does the Dumbbell One Arm Hammer Preacher Curl work?

The Dumbbell One Arm Hammer Preacher Curl primarily targets your Biceps. Secondary muscles worked include Forearms. This makes it an effective exercise for developing your upper arms.

What equipment do I need for the Dumbbell One Arm Hammer Preacher Curl?

The Dumbbell One Arm Hammer Preacher Curl requires dumbbell. Make sure your equipment is properly set up and you have enough space to perform the movement with full range of motion.

How do I perform the Dumbbell One Arm Hammer Preacher Curl with proper form?

Start by Sit on a preacher bench with a dumbbell in one hand and your upper arm resting on the pad. Hold the dumbbell with a neutral grip (palms facing your body). Keeping your upper arm stationary, exhale and curl the dumbbell up towards your shoulder. Focus on controlled movement throughout the entire range of motion. See the full step-by-step instructions above for complete form guidance.

How often should I do the Dumbbell One Arm Hammer Preacher Curl?

For most people, allow 1–2 days between sessions targeting the same muscle group. That translates to 2–4 sessions per week. Small muscles like the biceps, triceps, and calves have a limited cross-sectional area and are already engaged during compound pulling and pressing. They typically recover in 24–48 h, making 2–4 direct sessions per week feasible (Israetel, 'Scientific Principles of Strength Training').

What are the best sets and reps for the Dumbbell One Arm Hammer Preacher Curl?

It depends on your goal. For strength: 3–4 sets of 5–8 with 90–120 s rest. For hypertrophy (muscle growth): 3–5 sets of 10–20 with 45–90 s rest. For endurance: 2–4 sets of 20–30 with 20–45 s rest.

Which workout splits is the Dumbbell One Arm Hammer Preacher Curl best for?

The Dumbbell One Arm Hammer Preacher Curl fits well into the following training splits: Push / Pull / Legs (Pull Day), Upper / Lower (Upper Day), Full Body (Any session), Bro Split (Arms Day). It is classified as a pull, upper movement.

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