Brachialis · supporting muscle

Schematic anatomy
Deep layerBrachialis · supporting muscle

Biceps

Long headShort headBrachialis · supporting muscle

Triceps

Long headLateral headMedial head

Forearms

BrachioradialisFlexor carpi radialisFlexor carpi ulnarisFlexor digitorum superficialisFlexor digitorum profundusFlexor pollicis longusExtensor carpi radialis longus & brevisExtensor carpi ulnarisExtensor digitorumExtensor pollicis longus & brevisAbductor pollicis longusPronator teresPronator quadratusSupinator

Hands

Abductor pollicis brevisFlexor pollicis brevisOpponens pollicisAdductor pollicisHypothenar musclesLumbricalsDorsal interosseiPalmar interossei
Movement guide

Brachialis · supporting muscle

Located beneath the biceps, the brachialis bends the elbow regardless of forearm position.

01

Hammer curl

Isolation · Dumbbells

Also works

Biceps brachii, brachioradialis

How to perform

Hold dumbbells with palms facing each other. Bend the elbows and lift, then lower slowly.

Maintain the neutral wrist position throughout.

Example volume · 3 sets × 10–12 reps

02

Reverse curl

Elbow flexion · Dumbbells

Also works

Brachioradialis, biceps brachii; wrist extensors stabilize

How to perform

Hold light dumbbells with palms facing down. Bend the elbows to lift, keeping your wrists neutral, then lower slowly.

Keep elbows near your sides and avoid lifting with wrist extension.

Example volume · 2–3 sets × 10–15 reps

Referencesopenstax.org

Community draft · awaiting expert review