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10 Cards in this Set
- Front
- Back
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Longus capitis
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Origin: C3-C6
Insertion: Occipital bone Action: Flexes neck Innervation: C1-C3 |
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Rectus capitis anterior
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Origin: Atlas
Insertion: Occipital bone Action: Flexes neck Innervation: C1-C2 |
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Longissimus capitis
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Origin: Upper thoracic and lower cervical vertebrae
Insertion: Mastoid process Action: Extends, rotates, and laterally flexes neck Innervation: Dorsal rami of cervical nerves |
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Oblique captitis superior
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Origin: Atlas
Insertion: Occipital bone (inferior nuchal line) Action: Extends and laterally flexes neck Innervation: Dorsal ramus of C1 |
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Rectus capitis posterior
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Origin: Axis, atlas
Insertion: Occipital bone Action: Extends and rotates neck Innervation: Dorsal ramus of C1 |
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Semispinalis capitis
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Origin: C4-T6
Insertion: Occipital bone Action: Extends and rotates neck Innervation: Dorsal rami of cervical nerves |
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Splenius capitis
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Origin: C4-T6
Insertion: Superior nuchal line and mastoid process Action: Extends, rotates, and laterally flexes neck Innervation: Dorsal rami of cervical nerves |
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Trapezius
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Origin: Occipital protuberance, nuchal ligament, spinous processes of C7-T12
Insertion: Clavicle, acromion process, and scapular spine Action: Extends and laterally flexes neck Innervation: Accessorty nerve (CN XI) |
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Rectus capitis lateralis
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Origin: Atlas
Insertion: Occipital bone Action: Laterally flexes neck Innervation: C1 |
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Sternocleidomastoid
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Origin: Manubrium and medial clavicle
Insertion: Mastoid process and superior nuchal line Action: One contracting alone rotates and extends neck; both contracting together flex neck and elevate face Innervation: Accessorty nerve (CN XI) |
