Short head

Schematic anatomy
Short head

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

Short head

The inner head works alongside the long head during curls and pulling movements.

These curls train both heads rather than isolating the short head.

01

Preacher curl

Isolation · Curl bench

Also works

Long head of biceps, brachialis, brachioradialis

How to perform

Support your upper arms on the pad and curl through a comfortable range. Lower gradually.

Avoid bouncing at the bottom or forcing elbow extension.

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

02

Dumbbell curl

Isolation · Dumbbells

Also works

Long head of biceps, brachialis, brachioradialis

How to perform

Begin with arms at your sides. Curl the weights while turning palms upward. Lower to a comfortable straight-arm position.

Keep elbows near your ribs and your torso still.

Example volume · 3 sets × 8–12 reps

Referencesopenstax.org

Community draft · awaiting expert review