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19 Cards in this Set
- Front
- Back
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The muscles responsible for spine hyperextension, are located where on the back?
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Erector Spinae Group
(capitus, cervicis, longissimus) Spinalis: spinous processes Longissimus: transverse processes of the vertebrae iliocostalis group: off the ribs. Medial: spinalis Lateral: Iliocostalis |
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which group of the erector spinae muscles is different than the rest? How?
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iliocostalis: cervicis, thoracis, lumborum
spinalis & Longissimus: capitus, cervicis, thoracis |
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When would the iliocostalis cervicis be relaxed?
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During full flexion.
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What muscle is extension of the erector spinae group initiated by when standing?
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the hamstrings.
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Why would you not want to lift a load hunched over?
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injures the relaxed erector spinae muscles because they are relaxed in flexion.
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Longus colli group
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what group of muscles are very tiny muscles that connect from one spinous process to another?
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interspinalis muscles
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Which muscles connect between each transverse process?
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intertransversarii muscles
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Which muscle lies deep to the erector spinae muscle?
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multifidus
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Which muscle onnects from one tranvsverse process to the next spinous process?
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multifidus
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Whih deep muscle of the spine is responsible fro cervical spine flexion?
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longus colli group
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Which deep muscle of the spine is responsible for lateral flexion?
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intertransversarii
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Which deep muscle of the spine is responsible for only extension or hyper extension?
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interspinalis
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interspinalis
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What is the action of this muscle? Action and region?
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(longus coli group) A: Cervical spine flexion R: anterior cervical
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What is the action and region of this muscle?
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(multifidus) extension (hyper) rotation to opposite side
R: transverse to the next spinous process. |
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What is the region of this muscle? What is it's action?
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(Rotatores) 1 Transverse process to 2 spinous processes.
A: extension (hyper) rotation to opp side. |
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What is the action and region of this muscle?
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(semispinalis Capitis)
A: extension (hyper), rotation to opp. side R: Occipital |
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Number 7
what is it's action? |
Rotation to the opp side, extension semispinalis cervicis ( hyper)
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