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Rotatores
From WikiSM
Contents
Structure
- Present throughout the entire vertebral column
- Deep to multifidus
- Subsegments
- Rotatores Colli/Cervicis
- Rotatores Thoracis (most well-developed of the subsegments)
- Rotatores Longi (Long Rotatores)
- Rotatores Brevis (Short Rotatores)
- Rotatores Lumborum
Origin
- Rotatores Longi
- Superior/Posterior aspect of transverse process of vertebrae T1-T12
- Rotatores Brevis
- Transverse process of vertebrae T2-T12
Insertion
- Rotatores Longi
- Spinous process of vertebrae 2 levels above origin
- Rotatores Brevis
- Spinous process of vertebrae 1 level above origin
Actions
- Bilateral: Extension of spine
- Unilateral: Rotation of spine to opposite side
- Maintain posture
Vascular Supply
- Posterior Intercostal Arteries
- Lumbar Arteries
Nerve
- Spinal nerves (Dorsal Rami)
Clinical Significance
See Also
References
Created by:
Chris Hauglid on 27 April 2020 08:40:19
Authors:
Last edited:
27 April 2020 08:51:29
Category: