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Muscles of the Deep
Everest
| Question | Answer |
|---|---|
| Spinalis Thoracis | O: Spinous Process of T11-L2 I: Spinous Process of T4-8 Actions: Unilateral: Laterally flex spine/trunk to same side Bilaterally: Extend the Vertebral column |
| Spinalis Cervicis | O: Ligamentum Nuchae / Nucheal ligament Spinous Process of C7 I: Spinous Process of C2-C5 Actions: Unilateral: Laterally flex spine/trunk to same side Bilaterally: Extend the Vertebral column |
| Longissimus Thoracis | O: Thoracolumber Fascia/Common Tendon I: Ribs 4-12(Lower 9) & Transverse Processes (T.P.) of T1-12 A: Unilateral:Laterally Flex spine(trunk) to same side Bilaterally: Extend the vertebral column (trunk) |
| Longissimus Cervicis | O: Transverse Process T1-T5 I: Transverse Process C1-C7 A: Unilateral:Laterally Flex spine(trunk) to same side Bilaterally: Extend the vertebral column (trunk) |
| Longissimus Capitis | O: Transverse Process T1-T5 I: Mastoid Process A: Unilateral:Laterally Flex spine(trunk)& head to same side Bilaterally: Extend the vertebral column (trunk) |
| Iliocostalis Lumborum | O: Thoracolumber Fascia/Common Tendon I: Transverse Process L1-L3 and Posterior ribs T6-12 A: Unilateral:Laterally Flex spine(trunk) to same side Bilaterally: Extend the vertebral column (trunk) |
| Iliocostalis Thoracis | O: Posterior ribs T6-12 I: Posterior ribs T1-6 A: Unilateral:Laterally Flex spine(trunk) to same side Bilaterally: Extend the vertebral column (trunk) |
| Iliocostalis Cervicis | O: Posterior ribs T1-6 I: Transverse Process C4-C7 A: Unilateral:Laterally Flex spine(trunk) to same side Bilaterally: Extend the vertebral column (trunk) |
| Splenius Capitis | O: Ligamentum Nuchae / Spinous Process C7-T3 I: Mastoid Process / Lateral Nuchal line A: Unilaterally: Rotates head to the same side & laterally flexes the neck Bilaterally: Extends head and neck |
| Splenius Cervicis | O: Spinous Process T3-T6 I: Transverse Process C1-C-3/4 A: Unilaterally: Rotates head to the same side & laterally flexes the neck Bilaterally: Extends head and neck |
| Transversospinalis Group | Consist of: - Multifidi - Rotators - Semispinalis Deep muscles of the spine, which interconnect and stabilize the vertebrae |
| Semispinalis Cervicis | O: Transverse Process T1-T5 I: Spinous Process of C2-C5 Actions: Unilateral: Laterally flex spine/trunk to same side. Bilaterally: Extend the vertebral column. |
| Semispinalis Capitis | O: Transverse Process C7-T6 I: Occipit between the Superior and inferior nuchal lines. Actions: Unilateral: Laterally flex spine/trunk to the same side. Bilaterally: Extend the vertebral column. |
| Mutifidi | O: Sacrum / Transverse Process of C4-L5 I: Spinous Process 0f C2-L5 Actions: Unilateral: Rotate vertebral column to opposite side. Bilaterally: Extend the Vertebral column. |