Mighty Nimble
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Intermediate Biceps Routine

A 25-minute biceps-focused session using dumbbells and a resistance band.

Warm-Up

Raise temperature and prep elbows/shoulders for curling. (5 min)

Jumping Jack
Jumping Jack1 min
Arm Circle
Arm Circle1 min
Inchworm
Inchworm1m 30s

Set 1 - Curl and Hammer

Strict form; avoid torso swing. — 3 rounds

Alternating Dumbbell Curl
Alternating Dumbbell Curl10x both sides
Hammer Curl
Hammer Curl12x
3 rounds

Set 2 - Angle and Band Pump

Control the lowering phase; keep constant tension on the band. — 3 rounds

Concentration Curl
Concentration Curl10x each side
Band Curl
Band Curl20x
3 rounds

Set 3 - Forearm and Brachialis Finisher

Lighter load; chase a burn without wrist pain. — 2 rounds

Reverse Curl
Reverse Curl12x
Cross-Body Hammer Curl
Cross-Body Hammer Curl10x both sides
Isometric Biceps Hold
Isometric Biceps Hold30 sec
2 rounds · 15 sec rest

Cool-Down

Bring the heart rate down and open the front of the arms/shoulders. (2 min)

Standing Biceps Stretch
Standing Biceps Stretch1 min each side
Curl Variations That Hit Every Fiber

Curl Variations That Hit Every Fiber

Supinated curls (Alternating Dumbbell, Concentration) maximize long-head stretch and peak contraction, while Hammer and Cross-Body Hammer Curls recruit the brachialis and brachioradialis — muscles that sit beneath the biceps and physically push the peak higher. No redundancy here, just full-spectrum elbow flexor development.

Why Biceps Training Is Deceptively Technical

Why Biceps Training Is Deceptively Technical

The biceps crosses two joints, meaning forearm supination and shoulder angle both determine which fibers fire hardest. The Reverse Curl and Isometric Hold expose your weakest links — grip endurance and mid-range strength — the exact failure points that stall arm development for most intermediate lifters.

Density Over Duration, Variety Over Volume

Density Over Duration, Variety Over Volume

At 18 minutes of work, this session uses exercise rotation as a fatigue management tool, cycling through angles and grips to maintain intensity without accumulating junk volume. Progress by adding half-rep pauses to the Concentration Curl or increasing Band Curl resistance before adding sets — quality tension time drives hypertrophy, not raw reps.

Intermediate Biceps Routine | Mighty Nimble | Mighty Nimble