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9 Cards in this Set
- Front
- Back
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Sternocleidomastoid
origin insertion action |
O-Manubrium of the sternum, anterior surface of the medial clavicle
I-Mastoid Process A-Flexion of the head and neck, rotation both directions |
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Internal Intercostals
Action External Intercostals Action |
IIA-Elevates ribs 1-4 with inhalation, depresses the ribs in exhalation
EIA-elevates ribs |
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Erector Spinae Group
Name 3 muscles, location, action |
Iliocostalis-Lateral
Longissimus-Middle Spinalis-Medial Action-Extend or Hyperextend the spine |
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Rectus Abdominus
Origin Insertion Action |
O-Crest of the Pubis
I-Cartilage of 6th and 7th ribs and xiphoid process A-Lumbar flex, Lateral |
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External Oblique
Origin Insertion Action |
O-Borders of the lower eight ribs
I-Anterior half of the crest of the ilium, fascia of the rectus abdominis muscle Action-Right-Lumbar flex, Laetal flex to the right, rotation to the left |
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Internal oblique abdominal muscle
Origin Insertion Action |
O-Anterior 2/3 of the crest of the ilium, lumbar fascia
I-Costal cartilages of ribs 8-10 and linea alba A-Right-Lumbar flex, lateral flex, and rotation to the right |
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Transverse Abdominis
Origin Action Insertion |
O-Lateral 1/3 of the inguinal ligament, iliac crest, costal cartilage of lower 6 ribs
I-crest of pubis, linea alba A-forced expiration (abdominal wall pulled inward) |
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Quadratus Lumborum
Origin Insertion Action |
O-Posterior innner lip of the iliac crest
I-12th rib, transverse processes of the upper four lumbar vertebrae A-Lateral Flex, stabilizes pelvis and lumbar spine |
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Psoas Major (& Minor)
Origin Insertion Action |
O-Lower borders of the transverse processes of the lumbar vertebrae (L1-L5)
I-Lesser trochanter of femur and the shaft A-Flexion of the hip, external rotation of the hip |
