Untitled Flashcards Set

Masseter: Elevates mandible (chewing).

Temporalis: Elevates and retracts mandible.

Lateral pterygoid: Protracts and moves mandible side to side.

Medial pterygoid: Elevates and protracts mandible.

Platysma: Depresses mandible and tightens skin of neck.

Digastric: Depresses mandible, elevates hyoid.

Stylohyoid: Elevates and retracts hyoid.

Mylohyoid: Elevates floor of mouth, depresses mandible.

Geniohyoid: Pulls hyoid forward, depresses mandible.

Genioglossus: Protracts tongue.

Hyoglossus: Depresses and retracts tongue.

Palatoglossus: Elevates posterior tongue, depresses soft palate.

Tensor veli palatini: Tenses soft palate, opens Eustachian tube.

Levator veli palatini: Elevates soft palate.

Palatopharyngeus: Depresses soft palate, elevates pharynx.

Musculus uvulae: Shortens and elevates uvula.

Salpingopharyngeus: Elevates pharynx during swallowing.

Stylopharyngeus: Elevates pharynx and larynx.

Orbicularis oris: Closes and protrudes lips.

Buccinator: Compresses cheek, helps chewing.

Depressor anguli oris: Depresses corners of mouth.

Depressor labii inferioris: Depresses lower lip.

Mentalis: Elevates and protrudes lower lip.

Risorius: Draws corners of mouth laterally.

Zygomaticus major: Elevates corners of mouth (smiling).

Zygomaticus minor: Elevates upper lip.

Levator labii superioris: Elevates upper lip.

Levator labii superioris alaeque nasi: Elevates upper lip and nostrils.

Levator anguli oris: Elevates corners of mouth.

Nasalis: Compresses nostrils.

Procerus: Draws eyebrows downward, wrinkles forehead.

Depressor septi nasi: Depresses nasal septum.

Corrugator supercilii: Draws eyebrows together (frowning).

Upper trapezius: Elevates, rotates, and retracts scapula.

Levator scapulae: Elevates scapula.

Splenius capitis: Extends and rotates head.

Splenius cervicis: Extends and rotates neck.

Erector spinae:

• Spinalis: Extends and laterally flexes spine.

• Longissimus: Extends and laterally flexes spine and head.

• Iliocostalis: Extends and laterally flexes spine.

Multifidus: Stabilizes spine, extends and rotates.

Rotatores: Rotates spine.

Interspinales: Extends spine.

Intertransversarii: Laterally flexes spine.

Rectus capitis posterior major: Extends and rotates head.

Rectus capitis posterior minor: Extends head.

Obliquus capitis inferior: Rotates head.

Obliquus capitis superior: Extends and laterally flexes head.

Sternohyoid: Depresses hyoid.

Sternothyroid: Depresses thyroid cartilage.

Thyrohyoid: Elevates thyroid, depresses hyoid.

Omohyoid: Depresses and retracts hyoid.

Sternocleidomastoid (SCM): Rotates and flexes head.

Scalene: Elevates ribs, flexes neck.

Longus capitis: Flexes head and neck.

Longus colli: Flexes and rotates neck.

Rectus capitis anterior: Flexes head.

Rectus capitis lateralis: Laterally flexes head.

Latissimus dorsi: Extends, adducts, and medially rotates arm.

Pectoralis major: Adducts, medially rotates, and flexes arm.

Pectoralis minor: Depresses scapula, protracts ribs.

Serratus anterior: Protracts and rotates scapula.

Serratus posterior superior: Elevates ribs.

Serratus posterior inferior: Depresses ribs.

Erector spinae: Extends and laterally flexes spine.

Levator costarum: Elevates ribs.