Palmaris Longus

Authors

Affiliations

Nathaniel Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Muscle	Origin	Insertion	Innervation	Action
Palmaris longus

Origin

Medial epicondyle of humerus¹

Insertion

Palmar aponeurosis¹

Innervation

Median N. (C7, C8)¹

Action

• Elbow: Weak flexion¹
• Wrist: Flexion, Tenses palmar aponeurosis¹

Notes

1.

Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.