Term
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Definition
Origin: Superior Nuchal Line, Spinous Process to T12
Insertion: Upper portion to posterior side of clavicle
Lower portion to medial acromion, lip of spine
Nerve: Spinal Accessory Nerve
Blood Supply: Transverse Cervical Artery
Action: Laterally rotates, retracts and elevates the scapula |
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Term
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Definition
Origin: Spinous Processes of T7 to Sacral Vertebrae, Illiac Crest, Last 4 ribs, Inferior Angle of Scapula
Insertion: Bicipital groove of humerus
Nerve: C6-C8, Thorocodorsal Nerves
Blood Supply: Thorocodorsal Artery
Action: Extends, Adducts arm |
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Term
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Definition
Origin: Transverse Processes of C1-C4
Insertion :Upper part of medial border of scapula
Nerve: Dorsal Scapular Nerve
Blood Supply: Dorsal Scapular Artery
Action: Raises medial border of scapula |
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Term
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Definition
Origin: Spines of T2-T5
Insertion: Lower half of medial border to spine of scapula
Nerve: Dorsal Scapular Nerve
Blood Supply: Dorsal Scapular Artery
Action: Retracts scapula |
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Term
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Definition
Origin: Spines of C7-T2
Insertion: medial border at level of spine
Nerve: Dorsal Scapular Nerve
Blood Supply: Dorsal Scapular Artery
Action: Retracts scapula |
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Term
| Serratus Posterior Inferior |
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Definition
Origin: T11-L2
Insertion: Ribs 9-12
Nerve: Ventral Rami/Posterior Intercostal Nerves
Blood Supply: Posterior Intercostal Arteries
Action: Depresses diaphragm |
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Term
| Serratus Posterior Superior |
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Definition
Origin: C7-T2
Insertion: Ribs 2-5
Nerve: Ventral Rami
Blood Supply: Posterior Intercostal Nerves |
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Term
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Definition
Origin: T3-T6
Insertion: C1-C3
Nerve: Dorsal Rami, C5/C6
Action: Extend/rotate cervical spine |
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Term
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Definition
Origin: T1-T3
Insertion:Between sup. and inc. nuchal lines
Nerve: Dorsal Rami, C3/C4
Action: Extend/rotate cervical spine |
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Term
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Definition
Origin: Angles of the ribs
Insertion:Transverse processes
Nerve: Dorsal Ram
Action: Erect spine and laterally flexes spine |
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Term
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Definition
Nerve: Dorsal Rami
Action extends spine |
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Term
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Definition
Nerve: Dorsal Rami
Action: Flexion of spine |
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Term
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Definition
Origin: Tranverse Process of C7 to T6 and articular tubercle of C4-C6
Insertion: Between sup/inf nuchal line
Nerve:Dorsal Rami
Action: Extends the head |
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Term
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Definition
Origin: Transverse Process T1-T6
Insertion: Spinious Process of C2-C5
Nerve: Dorsal Rami
Actions: Extends cervical vertebrae column |
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Term
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Definition
Origin : Tranverse Processes C7-T11
Insertion: Angle of rib
Nerve: Dorsal Rami
Action: Elevates Ribs |
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Term
| Obliquus Capitis Inferior |
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Definition
Origin: Lateral mass of C2
Insertion: Lateral Mass of C1
Nerve: Suboccipital Nerve
Actions: Rotates atlanto-axial joint |
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Term
| Obliquus Capitis Superior |
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Definition
Origin: Lateral Mass of C1
Insertion: Inferior Nuchal Line
Nerve: Suboccipital Nerve
Actions: Rotates atlantooccipital joint |
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Term
| Rectus Capitis Posterior Major |
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Definition
Origin: Spinous Process of C2
Insertion :Inferior Nuchal Line
Nerve: SubOccipital Nerve
Action: Extends and rotates atlanto-occipital |
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Term
| Rectus Capitis Posterior Minor |
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Definition
Origin: Post process of C1
Insertion: Inferior Nuchal Line
Nerve: Suboccipita Nerve
Action: Extends atlanto-occipital joint |
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