You don’t need 12 variations of curls to build serious arm size. What you need is a simple, focused biceps routine that works from multiple angles, with just the right amount of volume to drive growth without burning you out. This three-exercise biceps workout is designed to target every part of the muscle using grip variation, time under tension, and controlled mechanics to maximize gains in minimal time. This is not about chasing a pump. It’s about training smarter.

The Triple Threat Biceps Routine

The goal here is complete biceps development. That means hitting the biceps brachii—both the long and short heads—as well as the brachialis and brachioradialis. Each move in this lineup uses a different grip orientation (neutral, supinated, and pronated) to ensure full recruitment across all elbow flexors. You’ll also engage your forearms and improve grip strength in the process.

Perform this workout once or twice per week, either as part of your upper-body day or after your back training.

Exercise 1: Fat-Grip Hammer Curl

Sets: 3
Reps: 10–12
Rest: 60 seconds

Hammer curls train the brachialis and brachioradialis—two muscles that sit beneath the biceps and contribute heavily to arm thickness. Using Fat Gripz (or wrapping a towel around the dumbbell handle) increases the grip demand, which in turn boosts forearm activation and overall arm development.

Keep your elbows tucked in and avoid using momentum. Pause at the top, then lower under control.

Exercise 2: Behind-the-Back Cable Curl

Sets: 3
Reps: 10–12
Rest: 60 seconds

This version of the cable curl places your biceps under tension from the fully stretched position, which enhances fiber recruitment and mechanical tension. Use a single D-handle on the low pulley, take a step forward to create tension, and curl the weight toward your shoulder without allowing your elbow to drift forward.

This move emphasizes the long head of the biceps, which adds height and shape to your arms when flexed.

Exercise 3: EZ-Bar Reverse Preacher Curl

Sets: 2
Reps: 8–10
Rest: 60 seconds

The reverse grip places more load on the brachialis and forearms, while the preacher bench eliminates body English and forces you to rely on pure elbow flexion. Focus on controlling the negative—take three seconds to lower the bar—and stop just short of full extension to maintain constant tension.

This move finishes the arms off by hitting often-neglected areas that help your arms look thicker from all angles.

Training Notes for Arm Exercises

• Use strict form throughout. Keep your shoulders down and elbows tight to avoid turning curls into swinging shoulder raises.
• Lower the weight slowly, especially on the reverse preacher curl. The eccentric phase is where a lot of muscle damage—and growth—happens.
• This routine works well after back day or as a standalone arm session. Just don’t run it more than twice a week. Biceps recover quickly, but they still need rest to grow.

If you’re looking to build bigger arms without wasting time on endless isolation work, this three-exercise routine delivers. It hits your biceps and forearms from every angle with focused intensity and smart programming. Train it consistently, recover well, and your sleeves will start to feel a little tighter in a matter of weeks.