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Related Flashcards
Cards In This Set
| Front | Back |
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Orbicularis oculi
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Blinking, squinting, and draws eyebrows inferiorly
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Zygomaticus
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Raises corners of mouth upwards (smiling)
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Risorius
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Draws corners of lips laterally, acts as a synergist to zygomaticus
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Orbicularis oris
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Protrusion of lips (kissing/pursing of lips)
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Buccinator
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Holds food between teeth during chewing (mastication)
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Masseter
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Prime mover of jaw closure
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Temporalis
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Elevates and retracts mandible. Keeps jaw closed at rest
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Sternocleidomastoid
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Prime mover of head flexion, turns head laterally and flexes head
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Splenius
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Extend or hyperextend the head. Antagonist to sternocleidomastoid
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Erector Spinae
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Prime mover of extension of the vertebral column
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Quadratus Lumborum
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Lateral flexion of the vertebral column. Assists in respiration
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Rectus abdominis
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Flex and rotate lumbar region, fix and depresses ribs, increases intra-abdominal pressure, used in sit-ups. antagonist to erector spinae
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External obliques
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Aids rectus abdominis in flexing vertebral column. antagonist to erector spinae
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Internal obliques
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Aids rectus abdominis in flexing vertebral column. antagonist to erector spinae
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Transverse abdominis
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Compresses abdominal contents. antagonist to erector spinae
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