Buccinator Orbicularis oris Compresses, purses lips Origin: Maxilla and mandible Insertion: Skin around the lips Orbicularis oris



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Buccinator – Compresses cheeks

Origin: from the alveolar processes of the maxillary bone and mandible, temporomandibular joint

Insertion: in the fibers of the orbicularis oris


Buccinatorhttp://upload.wikimedia.org/wikipedia/commons/thumb/d/df/buccinator.jpg/250px-buccinator.jpg

Orbicularis oris - Compresses, purses lips

Origin: Maxilla and mandible

Insertion: Skin around the lips


http://t0.gstatic.com/images?q=tbn:and9gcrdrtb8cd_5r6t9tt6olb2c5esv7lgzc6n4hs0xcv_vahdkpj-5ujo7hk1t

Orbicularis oris

Depressor labii inferioris - Depresses lip

Origin: oblique line of the mandible, between the symphysis and the mental foramen

Insertion: integument of the lower lip, Orbicularis oris fibers, its fellow of the opposite side


http://upload.wikimedia.org/wikipedia/commons/thumb/9/96/depressor_labii_inferioris.png/250px-depressor_labii_inferioris.png

Depressor labii inferioris

Levator labii superioris – Elevates upper lip

Origin: maxilla

Insertion: nostril and upper lip


http://thiemeteachingassistant.com/images/thumbs/978-1-60406-081-2c030_f008c.jpg

Levator labii superioris

Risorius - Draws corner of mouth to the side

Origin: parotid fascia

Insertion: modiolus


http://t2.gstatic.com/images?q=tbn:and9gctc5n-ebl3l95ljy8zaggfspgikj4ss3kthiysqv9q-k-w_2xrk

Risorius

Depressor anguli oris – Depresses corner of mouth

Origin: tubercle of mandible

Insertion: modiolus of mouth


http://t0.gstatic.com/images?q=tbn:and9gct9zzl7te3vmaeaubps5qqdi5e59qpbvzpmndpyplgrj7vmggxj

Depressor anguli oris

Zygomaticus major– retracts and elevates corner of mouth

Origin: anterior of zygomatic

Insertion: modiolus of mouth


http://upload.wikimedia.org/wikipedia/commons/thumb/7/7e/zygomaticus.png/250px-zygomaticus.png

Zygomaticus major

Zygomaticus minor- retracts and elevates corner of mouth

Origin:zygomatic bone

Insertion:skin of the upper lip


http://t2.gstatic.com/images?q=tbn:and9gct4kioeobpd5ppko3bxodu9ysh0du_zu7k6cymfw2fmb57avndb

Zygomaticus minor

Mentalis – Elevates and protrudes lower lip

Origin: anterior mandible

Insertion: chin


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Mentalis

Corrugator supercilii – Pulls skin inferiorly and anteriorly; wrinkles brow

Origin: superciliary arches

Insertion: forehead skin, near eyebrow


http://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/corrugator_supercilii.png/250px-corrugator_supercilii.png

Corurgator

Orbicularis oculi – Closes eye

Origin frontal bone; medial palpebral ligament; lacrimal bone

Insertion lateral palpebral raphe


http://upload.wikimedia.org/wikipedia/commons/thumb/e/e2/gray379.png/250px-gray379.png

Orbicularis oculi



Levator palpebrae superioris – Elevates upper eyelid

Origin: sphenoid bone

Insertion: tarsal plate, upper eyelid


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Levator palpebrae superioris

Procerus – moves nose, changes position and shape of nostrils

Origin:From fascia over the lower of the nasal bone

Insertion:Into the skin of the lower part of the forehead between the eyebrows


procerus.png

Procerus

Nasalis – compresses bridge, depresses tip of nose; elevates corners of nostrils

Origin: Maxilla

Insertion: Nasal bone


nasalis.png

Nasalis

Temporoparietalis – tenses scalp, moves pinna of ear

Origin: Auriculares muscles

Insertion: galea aponeurotica


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Temporalis


Frontalis – Raises eyebrows, wrinkles forehead

Origin: galea aponeurotica

Insertion : Skin above the eyebrows


250px-musculus_frontalis

Frontalis

Occipitalis – Tenses and retracts scalp

Origin: superior nuchal line of the occipital bone

mastoid part of the temporal

Insertion: galea aponeurosis



Occipitalishttp://t2.gstatic.com/images?q=tbn:and9gctbew7z_x9hxoogi_aunvjyr3yl1ghqfl84_qu1uafbshxkwxf-

Platysma – tenses skin of neck, depresses mandible

Origin: subcutaneous tissue of infraclavicular and supraclavicular regions



Insertion: base of mandible; skin of cheek and lower lip; angle of mouth; orbicularis oris

Platysmaimage:platysma.png


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