Orbicularis Oculi muscle

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

OIAN

Muscle Origin Insertion Nerve Action
Orbicularis Oculi

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/The Archive/Anatomy/Skeletal Muscles/Head and Neck/Muscles of Facial Expression/orbicularis_oculi.html#action

Origin

Medial orbital margin, medial palpebral ligament, lacrimal bone1

Insertion

Skin around margin of orbit, superior and inferior tarsal plates1

Innervation

Facial Nerve CN VII1

Action

Acts as orbital sphincter (closes eyelids): Palpebral portion gently closes, orbital portion tightly closes (winking)1

Clinical Significance

1.
Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.

Citation

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