Mimic Muscles and Platysma

Mimic muscles

All mimic muscles are innervated by the branches of the motor part of the facial nerve (Temporal , zygomatic, buccal, marginal mandibular and cervical)

Groups

• Orbital group
• Nasal group
• Oral group
• Auricular group
• Scalp group

Mimic muscles

Orbital group

• Orbicularis oculi (marginal and palpebral parts)
• Corrugator supercilii

Nasal group

• Nasalis muscle (lateral and alar parts)
• Depressor septi nasi

Oral group

• Orbicularis oris (marginal and labial parts)
• Levator labii superioris
• Levator anguli oris
• Levator labii superioris alaeque nasi
• Depressor labii inferioris
• Depressor anguli oris
• Mentalis
• Risorius
• Zygomaticus major
• Zygomaticus minor

Auricular group

• Anterior auricular
• Posterior auricular
• Superior auricular