Reverse Curl: Build Bigger Forearms and Stronger Grip

The reverse curl flips your grip — palms face down instead of up. This simple change shifts emphasis from the biceps to the brachialis (the muscle under your bicep) and the forearm extensors.

If your forearms are lagging, your grip needs work, or you want arms that look impressive from every angle, reverse curls fill the gap that regular curls miss.

Why Reverse Curls?

Forearm Development

The overhand grip forces your forearm extensors (brachioradialis and friends) to work hard. These are the muscles that create forearm size and definition.

Brachialis Growth

The brachialis sits underneath the bicep. When developed, it pushes the bicep up, making your arms look bigger. Reverse curls target this often-neglected muscle.

Grip Strength

Holding weight with an overhand grip challenges your grip differently than underhand curls. Regular reverse curls build functional grip strength.

Complete Arm Development

Standard curls hit the biceps. Reverse curls hit the brachialis and forearms. Together, they create complete arm development from every angle.

Elbow Health

Some lifters find reverse curls easier on the elbows than heavy underhand curling. The different grip can provide variety for joint health.

Muscles Worked

Primary:

• Brachioradialis (forearm)
• Brachialis (under bicep)

Secondary:

• Biceps brachii (reduced compared to regular curls)
• Forearm extensors
• Grip muscles

Reverse Curl Technique

Setup (Barbell)

1. Grip: Overhand (pronated), hands shoulder-width
2. Stance: Hip width, slight knee bend
3. Posture: Tall spine, chest up
4. Arms: Extended, bar at thigh level
5. Elbows: At your sides

The Curl

1. Initiate: Curl bar up by flexing elbows
2. Elbows: Stay pinned at your sides
3. Wrists: Keep straight (don't let them bend)
4. Path: Arc up toward shoulders
5. Top: Curl until forearms are vertical or slightly past

The Lower

1. Control: Lower slowly (2-3 seconds)
2. Full extension: Return to starting position
3. Don't swing: No momentum
4. Reset: Brief pause before next rep

Key Form Points

| Point | Why It Matters | |-------|---------------| | Overhand grip | Shifts emphasis to brachialis/forearms | | Elbows stay pinned | Prevents cheating | | Wrists stay straight | Protects wrists, maintains tension | | Controlled tempo | Forces target muscles to work | | Don't go too heavy | Form breaks down quickly |

Common Mistakes and Fixes

Wrists Bending

The problem: Wrists extend or flex during the curl, reducing forearm work.

Why it happens: Weak grip, weight too heavy.

The fix:

• Keep wrists neutral (straight)
• Reduce weight
• Think "rigid wrist"

Using Momentum

The problem: Swinging to help lift the weight.

Why it happens: Weight too heavy, habit from other exercises.

The fix:

• Start lighter than you think
• Pin elbows at sides
• Control every rep

Elbows Drifting Forward

The problem: Elbows move forward to help complete the curl.

Why it happens: Trying to lift heavier or make it easier.

The fix:

• Keep elbows fixed at your sides
• Only forearms move
• Reduce weight if needed

Going Too Heavy

The problem: Using so much weight that form breaks down immediately.

Why it happens: Ego, treating it like regular curls.

The fix:

• Reverse curls use much less weight than regular curls
• Maybe 50-60% of your barbell curl weight
• Form > weight

Weight Expectations

Most lifters reverse curl significantly less than they regular curl:

| Regular Barbell Curl | Expected Reverse Curl | |---------------------|----------------------| | 80 lbs | 45-55 lbs | | 100 lbs | 55-65 lbs | | 120 lbs | 65-80 lbs |

Don't let ego ruin this exercise. The lighter weight is normal and necessary for proper form.

Programming Reverse Curls

For Forearm Development

• 3-4 sets of 12-15 reps
• Moderate weight, strict form
• Focus on forearm contraction

For Brachialis Development

• 3-4 sets of 10-12 reps
• Controlled tempo
• Full range of motion

As Part of Arm Day

• 2-3 sets of 12 reps
• After bicep work
• Completes arm training

For Grip Strength

• 3 sets of 8-10 reps
• Slightly heavier, still controlled
• Hold at top briefly

Frequency

• 1-2x per week
• Can be done with biceps or on forearm/grip day
• Doesn't need to be every workout

Sample Workouts with Reverse Curls

Workout 1: Complete Arms

1. Barbell Curl — 4x8
2. Close-Grip Bench — 4x8
3. Incline Curl — 3x10
4. Skull Crushers — 3x10
5. Reverse Curl — 3x12
6. Tricep Kickback — 3x15

Workout 2: Pull Day with Forearms

1. Pull-ups — 4x8
2. Barbell Row — 4x8
3. Face Pulls — 3x15
4. Hammer Curl — 3x12
5. Reverse Curl — 3x12

Workout 3: Forearm Focus

1. Reverse Curl — 4x12
2. Wrist Curl — 3x15
3. Reverse Wrist Curl — 3x15
4. Farmer's Walk — 3x40 yards
5. Dead Hangs — 3x max time

Workout 4: Bicep Variety

1. Barbell Curl — 4x8
2. Incline Curl — 3x10
3. Spider Curl — 3x12
4. Reverse Curl — 3x12
5. Concentration Curl — 2x15

Reverse Curl Variations

EZ Bar Reverse Curl

Angled grip is easier on wrists for many people. Same movement, more comfortable.

Dumbbell Reverse Curl

Independent arm movement. Can be done alternating or simultaneously.

Cable Reverse Curl

Constant tension throughout. Smooth resistance.

Preacher Reverse Curl

Arms braced on preacher bench. More isolation, no cheating possible.

Zottman Curl

Curl up with supinated grip, rotate to pronated at top, lower with pronated grip. Combines both curl types.

Reverse Curl 21s

7 reps bottom half, 7 reps top half, 7 reps full range. Extreme pump.

Thick Bar Reverse Curl

Using fat grips or thick bar. Extra grip challenge.

Reverse Curls vs Hammer Curls

Both work the brachialis and forearms, but differently:

| Factor | Reverse Curl | Hammer Curl | |--------|-------------|-------------| | Grip | Overhand (pronated) | Neutral (thumbs up) | | Forearm emphasis | Higher | Moderate | | Brachialis emphasis | High | High | | Weight potential | Lower | Higher | | Wrist comfort | Can be challenging | Usually comfortable | | Bicep involvement | Low | Moderate |

Use both: Hammer curls for heavier brachialis work, reverse curls for more forearm emphasis.

Who Should Do Reverse Curls

Great For

• Anyone wanting bigger forearms
• Lifters with lagging brachialis development
• Those seeking complete arm development
• People wanting to improve grip strength
• Bodybuilders working on arm detail

May Need Modification

• Those with wrist issues (try EZ bar version)
• People who over-grip (can aggravate tennis elbow in some)
• Lifters with elbow problems (start very light)

Don't Skip If

• Your forearms are skinny compared to upper arms
• You want arms that look good from every angle
• Grip strength matters for your training

The Bottom Line

The reverse curl is the missing piece for complete arm development. While regular curls build biceps, reverse curls target the brachialis and forearms that create impressive arms from every angle.

Use an overhand grip, keep your wrists straight, and accept that you'll lift less weight than regular curls. Focus on the forearm contraction and brachialis squeeze.

Add reverse curls to your arm training when you want bigger forearms, a more developed brachialis, and arms that look impressive whether your palms face up or down.

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Related:

• Best Forearm Exercises
• Hammer Curl Guide
• Grip Strength Guide
• Best Bicep Exercises