Best Forearm Exercises Ranked: What Actually Builds Bigger Forearms

Forearm muscles get some work from heavy pulling and grip-intensive sets, yet most lifters find it hard to target them directly. Poor exercise selection is likely part of the problem. A powerlifter and a professional arm wrestler teamed up to score common forearm drills from S-tier (best) to F-tier (worst), and a few surprising tweaks jump up the list fast.

How Popular Forearm Exercises Stack Up

Standard moves like hammer curls, grippers, rice buckets, and wrist rollers tend to land in the middle of the pack. The top spots went to a modified reverse curl and good old-fashioned manual labor.

S-Tier

• Modified reverse curls
• Manual labor

A-Tier

• Arm wrestling

B-Tier

• Modified hand grippers
• Reverse curls
• Dead hangs
• Modified wrist rollers

C-Tier

• Hammer curls
• Regular hand grippers
• Plate-loaded gripper

D-Tier

• Rice bucket

Why Hammer Curls and Standard Grippers Fall Short

Hammer curls primarily hit the brachialis, the small upper-arm muscle beside the outer biceps. Forearm recruitment is incidental, which kept them in C-tier.

Standard hand grippers ranked the same, partly because a legendary arm wrestler reportedly cannot close a number-three gripper. Crushing a gripper is not the same as clamping the hand the way table sport demands, and grip strength alone does not win matches.

Arm wrestlers don't squeeze hands, they clamp them. Grip strength is not super important in arm wrestling.

Re-angling a gripper to mimic an arm-wrestling grip pushes it up to B-tier.

The Reverse Curl Trick That Changes Everything

A plain reverse curl lands in B-tier. Adding a hard flex at the top of each rep turns it into the best forearm builder on the list.

I truly think this is the best forearm developer there is.

Flexing the wrists shifts tension onto the fingers, forcing the forearms to work much harder while mimicking the wrist position used on the arm-wrestling table. Research also backs the move: one study found that reverse curls sparked significantly more brachioradialis activity than supinated or neutral-grip curls.

Dead Hangs and Wrist Rollers, Done Right

Dead hangs are a favorite of rock climbers, who often sport impressive forearms. Their isometric grip demand earns them a B-tier rating.

Wrist rollers also land in B-tier because they target the forearms directly. To spare the shoulders, one coach used the rotating sleeve of a racked barbell with weight attached rather than holding a roller at shoulder height. Short, controlled pulls that skip full wrist extension mimic the table-top pulling position. Softballs rolled on a simple rig can add thickness over time.

Soreness is not a verdict on workout quality. Research suggests delayed-onset muscle soreness does not reliably reflect the true magnitude of muscle damage from eccentric work.

Arm Wrestling as a Forearm Workout

Find me a good arm wrestler who doesn't have out-of-proportion forearms for their body size.

Regular table time loads the forearms intensely, earning an A-tier spot. The trade-off is real injury risk, so supervised practice and smart setup matter.

Manual Labor: Big Forearms, Long-Term Cost

Repetitive gripping on a job can build thick, strong forearms. Research on occupational grip, however, links years of trade work to a higher chance of long-term grip weakness from repeated strains, fatigue, and incomplete recovery. Quality recovery matters for both job-site and gym-trained hands.

Takeaways for Training Your Forearms

• Prioritize wrist-flexed reverse curls over standard reverse curls for direct forearm overload.
• Re-angle grippers and wrist rollers to match an arm-wrestling position for better transfer.
• Use hammer curls for brachialis work, not as a primary forearm builder.
• Treat soreness as a side effect, not proof of an effective session.
• If you choose arm wrestling, accept the injury risk and train with experienced partners.
• Build in rest if your forearms see heavy use at work, since long-term grip health depends on recovery.

References

1. Coratella G, Tornatore G, Longo S, Toninelli N, Padovan R, Esposito F, Cè E. Biceps Brachii and Brachioradialis Excitation in Biceps Curl Exercise: Different Handgrips, Different Synergy. Sports (Basel). 2023 Mar 9;11(3):64.
2. Nosaka K, Newton M, Sacco P. Delayed-onset muscle soreness does not reflect the magnitude of eccentric exercise-induced muscle damage. Scandinavian Journal of Medicine & Science in Sports. 2002;12(6):337-346.
3. Lee K. The association between occupational categories and grip strength in Korean male workers. International Archives of Occupational and Environmental Health. 2021 Apr;94(3):567-574.