Term
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Definition
| Two mucles and an aponeurosis (galea aponeurotica) |
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Term
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Definition
| elevates eyebrows and wrinkles forehead |
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Term
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Definition
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Term
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Definition
| closes the eye (wink, blink) |
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Term
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Definition
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Term
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Definition
| elevates corner of mouth (smile) |
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Term
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Definition
| depresses corner of mouth (frown) |
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Term
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Definition
| pulls cheeks against teeth when chewing |
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Term
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Definition
| tenses skin of neck, and depresses lower lip |
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Term
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Definition
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Term
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Definition
| elevates and retracts mandible |
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Term
| Medial and Lateral Pterygoids |
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Definition
| elevates, protracts, and moves mandible side to side (grinding motion) |
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Term
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Definition
| protracts and depresses tongue |
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Term
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Definition
| retracts and elevates tongue |
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Term
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Definition
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Term
| Lateral Neck Muscle -- Sternocleidomastoid |
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Definition
| each rotates head to one side, together: flex the neck |
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Term
| Posterior Neck Muscle -- Splenius Capitus |
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Definition
| each rotates head to one side, together: extend the head |
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Term
| Anterior Neck Muscles - Suprahyoid Muscles -- Digastric |
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Definition
| elevates hyoid and depresses mandible |
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Term
| Anterior Neck Muscles -- Suprahyoid Muscles -- Stylohyoid |
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Definition
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Term
| Anterior Neck Muscles -- Suprahyoid Muscles -- Mylohyoid |
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Definition
| elevates hyoid and floor of mouth |
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Term
| Anterior Neck Muscles -- Suprahyoid Muscles -- Geniohyoid |
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Definition
| elevates hyoid -- can have some action on mandible, but primary action on hyoid |
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Term
| Anterior Neck Muscles -- Infrahyoid Muscles -- Sternohyoid |
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Definition
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Term
| Anterior Neck Muscles -- Infrahyoid Muscles -- Omohyoid |
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Definition
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Term
| Anterior Neck Muscles -- Infrahyoid Muscles -- Sternothryroid |
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Definition
| depresses thyroid cartilage (swallowing) |
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Term
| Anterior Neck Muscles -- Infrahyoid Muscles -- Thyrohyoid |
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Definition
| depresses hyoid bone and raises thyroid cartilage |
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Term
| Deep Back Muscles (Muscles of Vertebral Column) -- Quadratus Lumborum |
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Definition
| extends lumbar vertebral column, unilaterally: each laterally flexes vertebral column |
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Term
| Deep Back Muscles (Muscles of Vertebral Column) -- Erector Spine |
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Definition
| extend the vertebral column |
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Term
| Deep Back Muscles (Muscles of Vertebral Column) -- Erector Spine (consists of) |
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Definition
| iliocostalis, longissimus, spinalis |
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Term
| Deep Thorax Muscles -- Diaphragm |
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Definition
| contraction pulls the central portion down, increasing vertical dimensions of thorax -- dome shape at base of ribocage |
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Term
| Deep Thorax Muscles -- External Intercostals |
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Definition
| elevate rib during inspiration |
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Term
| Deep Thorax Muscles -- Internal Intercostals |
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Definition
| depress ribs during expiration |
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Term
| Deep Thorax Muscles -- Scalenes |
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Definition
| elevates ribs during inspiration |
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Term
| What muscles group (4) compress the abdominal contents and flex the vertebral column |
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Definition
| external abdominal oblique, internal abdominal oblique, transversus abdominis, rectus abdominis |
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Term
| pelvis diaphragm or urogenital diaphragm |
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Definition
| close inferior opening of pelvis, support the pelvis organs |
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