Test #1 (Head & Neck, Spine & Thorax)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Sternocleidomastoid | Origin - Sternal Head - Top of Manubrium. Clavicular Head - Medial 1/3 of Clavicle. Insertion: Mastoid process, Sup. nuchal line. Action: Flex head & neck to same side. Rotate head & neck to opposite side.
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Anterior Scalene | Origin: TP of 3rd - 6th cervical vertebrae. Insertion: 1st rib. Action: Flex head & neck to same side. Rotate head & neck to opposite side. Elevate ribs during inhalation. Flex head & neck.
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Middle Scalene | Origin: TPs of 2nd - 7th cervical vertebrae. Insertion: 1st rib. Action: Flex head & neck to same side. Rotate hear & neck to opposite side. Elevate ribs during inhalation.
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Masseter | Origin: Zygomatic Arch. Insertion: angle and ramus of mandible. Action: Elevate mandible.
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Temporalis | Origin: Temporal fossa and fascia. Insertion: coronoid process of mandible. Action: Elevate mandible, retract mandible.
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Erector Spinae | Origin: Common tendon @ surface of sacrum, iliac crest, SP's of lumbar & last 2 thoracic vertebra. Insertion: posterior ribs, SP's & TP's of thoracic & cervical vertebra, and mastoid process.
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Splenius Capitus | Origin: Ligamentum nuchae, SP's of C7 - T3. Insertion: Mastoid process and lateral superior nuchal line. Action: Rotate head & neck to same side. Flex head & neck. Extend head & neck.
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Splenius Cervicis | Origin: SP's of T3 - T6. Insertion: Tp's of upper cervicals. Action: Rotate head & neck to same side. Flex head & neck. Extend head & neck.
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Quadratus Lumborum | Origin: Posterior Iliac Crest. Insertion: last rib & TP of 1st - 4th lumbar. Action: Tilt pelvis, flex vertebral column to same side. Assist to extend vertebral column.
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Rectus Abdominus | Origin: Pubic Crest & symphysis. Insertion: Cartiledge of 5th, 6ht, & 7th ribs and xiphoid process. Action: Flex vertebral column.
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External Obliques | Origin: Lower 8 ribs. Insertion: Anterior iliac crest, abdominal apneurosis. Action: flex vertebral column to same side. Rotate vertebral column to opposite side. Flex vertebral column. Compress abdominal contents.
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Internal Obliques | Origin: inguinal ligament, iliac crest and thoracolumbar fascia. Insertion: Internal surface of lower 3 ribs, abdominal apneurosis to linea alba. Action: Flex vertebral column to same side. Rotate vertebral column to same side. Flex vertebral column.
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Created by:
Bain
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