Lever Isolateral Preacher Curl (plate loaded)
The Lever Isolateral Preacher Curl (plate loaded) primarily works the Brachialis, with secondary activation of the Biceps Brachii (Long Head), Brachioradialis and stabilizer support from the Triceps (Long Head), Wrist Flexors. It is a machine isolation exercise at beginner difficulty.
A machine isolation pull exercise targeting the Brachialis.
| Equipment | Machine |
|---|---|
| Difficulty | Beginner |
| Type | Isolation |
| Movement | Flexion |
| Force | Pull |
| Laterality | Bilateral |
| Primary | Brachialis |
| Secondary | Biceps Brachii (Long Head), Brachioradialis |
Muscles Worked
Front
Back
Primary
Secondary
Stabilizer
Primary Muscles
- Primary Muscle Brachialis (biceps)
Secondary Muscles
- Secondary Muscle Biceps Brachii (Long Head) (biceps)
- Secondary Muscle Brachioradialis (biceps)
Stabilizer Muscles
- Stabilizer Muscle Triceps (Long Head) (triceps)
- Stabilizer Muscle Wrist Flexors (forearms)
Instructions
- Preparation: Sit on curl machine placing back of arms on pad. Grasp lever handles with underhand grip. Align elbows near same pivot point as fulcrum of lever. Execution: Raise lever handles toward shoulders. Lower handles 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. If no resistance is experienced during initial range of motion, make sure seat is adjusted to allow for back of arm to be positioned flush against arm pad. If resistance is still not experienced, consider keeping wrists in a slight flexed position to compensate. If machine has secondary lever (as shown), it is not as essential to position elbows in-line with the primary fulcrum, as would otherwise be required. 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. Long head of Triceps Brachii is only significant activated as antagonist stabilizer when it approachespassive insufficiencyas elbow nears full flexion. See exercise onalternative machine.
Alternative Exercises
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