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Iliocostalis Lumborum
- Medial Iliac Crest, Medial and Lateral Sacral Crests
- Angles of ribs 7-12
- EXTENDS, LATERALLY FLEXES and IPSILATERALLY ROTATES the trunk at spinal jts
- ANTERIORLY TILTS the pelvis at lumbosacral jt
- Dorsal Rami of Spinal Nerves
- Lumbar
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Iliocostalis Thoracis
- Angles of ribs 7-12
- Angles of ribs 1-6 and TP of C7EXTENDS, LATERALLY FLEXES and IPSILATERALLY ROTATES the trunk at spinal jts
- Dorsal Rami of Spinal Nerves - Thoracic
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Iliocostalis Cervicis
- Angles of ribs 3-6TPs of C4-6
- EXTENDS, LATERALLY FLEXES and IPSILATERALLY ROTATES the neck at spinal jts
- Dorsal Rami of Spinal Nerves - Cervical
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Longissimus Thoracis
- Medial Iliac Crest, Posterior Sacrum, and TPs L1-L5
- TPs of all Thoracic Vertebrae and lower 9 ribs (btw tubercles and angles)
- EXTENDS, LATERALLY FLEXES and IPSILATERALLY ROTATES the trunk at spinal jts
- ANTERIORLY TILTS the pelvis
Dorsal Rami of Spinal Nerves - Thoracic and Lumbar
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Longissimus Cervicis
- TPs of the upper 5 thoracic vertebrae
- TPs of C2-6 (posterior tubercles)
- EXTENDS, LATERALLY FLEXES and IPSILATERALLY ROTATES the trunk and neck at spinal jts
- Dorsal Rami of Spinal Nerves - Thoracic and Lower Cervical
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Longissimus Capitis
- TPs of upper 5 thoracic vertebrae and the articular processes of the lower 3 cervical vertebrae
- Mastoid Process of the Temporal Bone
EXTENDS, LATERALLY FLEXES and IPSILATERALLY ROTATES the trunk neck and head at spinal jts - Dorsal Rami of Spinal Nerves - Thoracic and Lower Cervical
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Spinalis Thoracis
- SPs of T11-L2
- SPs of T4-8
EXTENDS, LATERALLY FLEXES and IPSILATERALLY ROTATES the trunk at spinal jts - Dorsal Rami of Spinal Nerves - Thoracic
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Spinalis Cervicis
- Inferior Nuchal Ligament and the SP of C7
- SP of C2
EXTENDS, LATERALLY FLEXES and IPSILATERALLY ROTATES the neck at spinal jts - Dorsal Rami of Spinal Nerves - Lower Cervical
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Spinalis Capitis
- Considered as the Medial Part of Semispinalis Capitis
- Considered as the Medial part of Semispinalis Capitis
EXTENDS, LATERALLY FLEXES and IPSILATERALLY ROTATES the neck at spinal jts - Dorsal Rami of Spinal Nerves - Lower Cervical
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