Preacher Curl

The Preacher Curl primarily works the Biceps Brachii (Long Head), Biceps Brachii (Short Head), Brachialis, with secondary activation of the Biceps Brachii (Long Head), Brachialis, Brachioradialis and stabilizer support from the Brachioradialis, Wrist Flexors. It is a barbell isolation exercise at beginner difficulty.

Barbell curl with arms supported on preacher bench increasing isolation and range.

EquipmentBarbell
DifficultyBeginner
TypeIsolation
MovementFlexion
ForcePull
LateralityBilateral
PrimaryBiceps Brachii (Long Head), Biceps Brachii (Short Head), Brachialis
SecondaryBiceps Brachii (Long Head), Brachialis, Brachioradialis

Muscles Worked

Front
Back
Primary Secondary Stabilizer

Primary Muscles

Secondary Muscles

Stabilizer Muscles

Instructions

  1. Preparation: Sit on preacher bench placing back of arms on pad. Grasp curl bar with shoulder width underhand grip. Execution: Raise bar until forearms are vertical. Lower barbell until arms are fully extended. Repeat. Comments: Seat should be adjusted to allow armpit to rest near top of pad. Back of upper arm should remain on pad throughout movement. The long head (lateral head) of Biceps Brachii is activated significantly more than short head (medial head) of Biceps Brachii since short head enters intoactive insufficiencyas it continues to contract. Also known as Scott Curl.

Alternative Exercises

Get this data via the REST API or MCP Server.