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15 Cards in this Set
- Front
- Back
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What is the origin, insertion, and action of the deep posterior spinal muscles?
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O=vertebrae below
I=vertebrae above A=extension, rotation to opposite side, and lateral flexion to same side |
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What is the origin, insertion, and action of the semispinalis?
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O=transverse process of C7-T12
I=spinous process of C-spine, T1-T4, and occipital bone A=extension, lateral flexion to same side, and rotation to opposite side |
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What is the origin, insertion, and action of the diaphragm?
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O=inferior, internal surface of rib cage and sternum, costal cartilages of last 6 ribs, and lumbar vertebrae
I=central tendon A=inspiration |
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What is the origin, insertion, and action of the external intercostals?
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O=inferior border of rib above
I=superior border of rib below A=inspiration |
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What is the origin, insertion, and action of the internal intercostals?
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O=superior border of rib below
I=inferior border of rib above A=expiration |
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What is the origin, insertion, and action of the splenius capitis?
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O=spinous process of C7-T6
I=mastoid process and occipital A=extension, hyperextension, lateral flexion and rotation to same side |
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What is the origin, insertion, and action of the scalenus?
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O=transverse process of C2-C7
I=ribs 1 and 2 A=flexion, and lateral flexion to same side |
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What is the origin, insertion, and action of the levator scapulae?
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O=transverse process of C1-C4
I=vertebral border of scapula above spine A=lateral flexion of spine when scapula is fixed |
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What is the origin, insertion, and action of the sternocleidomastoid?
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O=sternum and medial 1/3 of clavicle
I=mastoid process A=flexion of head and neck, lateral flexion to same side, rotation to opposite side |
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What is the origin, insertion, and action of the quadratus lumborum?
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O=posterior iliac crest
I=transverse process of L1-L5 and 12th rib A=stablizes pelvis and lumbar spine, and lateral flexion to same side |
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What is the origin, insertion, and action of the erector spinae?
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O=thoracolumbar fascia and vertebrae
I=vertebrae above, and ribs A=extension, hyperextension, and lateral flexion to same side |
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What is the origin, insertion, and action of the external oblique?
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O=lower 8 ribs
I=linea alba, aponeurosis, and iliac crest A=flexion, lateral flexion to same side, rotation to opposite side |
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What is the origin, insertion, and action of the internal oblique?
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O=thoracolumbar fascia and iliac crest
I=linea alba and last 3 or 4 ribs A=flexion, lateral flexion and rotation to same side |
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What is the origin, insertion, and action of the rectus abdominis?
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O=pubic crest and pubic symphysis
I=xiphoid process and costal cartilages between ribs 5-7 A=flexion of trunk |
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What is the origin, insertion, and action of the transversus abdominis?
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O=thoracolumbar fascia
I=linea alba A=forced expiration |
