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Cervicis? Illioscostalis-
- Origin: Superior 6 Ribs
- Insertion: Middle Cervical Vertebrae
- Action: Extension, Lateral Flexion, Rotation of Upper Trunk
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Thoraics? Illiocostalis-
- Origin: Inferior 6 Ribs
- Insertion: Superior 6 Ribs
- Action: Extension, Lateral Flexion, Rotation of middle trunk
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Lumborum? Illiocostalis-
- Origin: Sacrum and Illium
- Insertion: Inferior 6 Ribs
- Action: Extension, Lateral Flexionn, Rotation of lower trunk
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Capitis? Longismis-
- Origin: Upper Thoraic
- Insertion: Base of Skull
- Action: Extends Head
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Cervicis? Longismus-
- Origin: C6 AND C7
- Insertion: CS AND C3
- Action: Extends Neck
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Thoracis? Longismus-
- Origin: T11-L2
- Insertion: Middle and upper thoraic
- Action: Extends middle and lower trunk
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Psoas Minor?
- Origin: T12-L1
- Insertion: Pubic Crest
- Action: Flexes trunk
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Quadratus Lumborum?
- Origin: Illiac Crest
- Insertion: Upper Lumbar and 12th Rib
- Action: Trunk Lateral Flexion
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Rectus Adomonis?
- Origin: Pubic Crest
- Insertion: Lower Ribs
- Action: Flexes Trunk
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External Oblique?
- Origin: Ribs 5-12
- Insertion: Illiac Crest
- Action: Flexes and Rotates trunk
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Internal Oblique?
- Origin: Illiac Crest
- Insertion: Ribs 10-12
- Action: Flexes and Rotates trunk
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True Ribs?
Attach to Sternum
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False Ribs?
Attach to cartilage to Sternum
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Floating Ribs?
Do not attach to sternum
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Sternal End?
Opposite side of head or rib
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