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Expression + Scalp Muscles

Can you name these 18 expression and scalp muscles of the human body based on the provided origin (O), insertion (I), and action (A)?
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joshfisher
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Last updated: January 13, 2026
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First submittedJanuary 13, 2026
Times taken1
Average score11.1%
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Hint
Answer
O: superior nuchal line/mastoid region;
I: epicranial aponeurosis;
A: retract scalp
Occipitalis
O: skin over eyebrows;
I: epicranial aponeurosis;
A: raise eyebrows, wrinkle forehead
Frontalis
O: frontal/maxilla/medial orbit;
I: eyelids/skin around orbit;
A: close eye
Orbicularis oculi
O: sphenoid;
I: superior tarsus;
A: elevate upper eyelid
Levator palpebrae superioris
O: frontal bone;
I: eyebrow skin;
A: draws eyebrows medially/down
Corrugator supercilii
O: nasal bone/upper nasal cartilage;
I: glabella skin;
A: wrinkles bridge of nose
Procerus
O: maxilla;
I: nasal cartilages;
A: flare/compress nostrils
Nasalis
O: maxilla/mandible & modiolus;
I: lips
A: close/protrude lips
Orbicularis oris
O: maxilla/mandible & pterygomandibular raphe;
I: modiolus;
A: compress cheek
Buccinator
Hint
Answer
O: zygomatic bone;
I: corner of mouth;
A: elevate mouth (smile)
Zygomaticus major
O: zygomatic bone;
I: upper lip;
A: elevate upper lip
Zygomaticus minor
O: maxilla;
I: upper lip;
A: elevate upper lip
Levator labii superioris
O: maxilla;
I: mouth corner;
A: elevate angle of mouth
Levator anguli oris
O: mandible;
I: mouth corner;
A: depress angle of mouth
Depressor anguli oris
O: mandible;
I: lower lip;
A: depress lower lip
Depressor labii inferioris
O: mandible;
I: skin of chin;
A: protrude lower lip, wrinkle chin
Mentalis
O: fascia;
I: mouth corner;
A: retract angle of mouth
Risorious
O: fascia over upper chest;
I: mandible/lower face skin;
A: tense neck skin, depress mandible
Platysma
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