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10 Cards in this Set
- Front
- Back
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The infra hyoid muscles act on?
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- Hyoid bone
- Mandible - Cervical vertebral column |
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Name the 4 infra hyoid muscles?
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- Sternohyoid
- Omohyoid - Sternothyroid - Thyrohyoid |
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Sternohyoid: OI?
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O: Posterior surface manumbrium & sternal end of clavicle
I: Lateral body of hyoid bone |
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Omohyoid superior belly: OI?
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O: Intermediate omohyoidal tendon
I: Hyoid bone |
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Omohyoid inferior belly: OI?
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O: Superior margin of scapula
I: Intermediate omohyoidal tendon |
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Sternothyroid muscle: OI?
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O: Posterior surface of sternal manumbrium (behind sternohyoid)
I: Thyroid cartilage |
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Thyrohyoid muscle: OI?
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O: Thyroid cartilage (as a continuation of inserted sternothyroid)
I: Hyoid bone |
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Functions of infra hyoid muscles?
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1. Pull laryngeal cartilages down when mouth opens
2. Infra&suprahyoid may ben head forward with mouth shut 3. Keep distance between thyroid cartilage & hyoid bone |
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Where is Erb´s point of neck and what do stimulation do?
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3 cm over clavicle, 2 cm behind posterior border of sternocleidomastoid. Relax arm by stimulation of upper brachial plexus
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Sternocleidomastoid muscle: OIF?
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O: 1. Head of sternum 2. Median side of clavicle
I: Mastoid process + superior nuchal line F: - Bilateral contraction: Lift head - Rotate head to opposite side (unilateral action) |
