
Palmaris Longus Muscle
Primary Actions of the Palmaris Longus
1. Because of the size and location the palmaris longus does not have a primary action.
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Secondary Actions of the Palmaris Longus
1. Assists with flexion of the wrist
Agonists:
- Flexor Carpi Radialis
- Flexor Carpi Ulnaris
Antagonists:
- Extensor Carpi Radialis Longus
- Extensor Carpi Radialis Brevis
- Extensor Carpi Ulnaris
2. Tightens the palmar facsia
Information about cause and effect of palmaris longus: Palmaris Longus Muscle: Pain in the Forearm and Palm Hand Pain