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Muscles 1
Superficial Muscles of the neck and back
Muscles | Definitions |
---|---|
Iliocostalis Lumborum Origin: | Iliac crest |
Iliocostalis Lumborum Insertion: | Ribs 7-12, C4-7 |
Iliocostalis Lumborum Action: | extension, flexion, stabilization of spine |
Sternocleidomastiod Origin: | sternum, clavicle |
SCM Insertion: | mastoid process |
SCM Action: | flexion, rotation of neck |
Scalenes Origin: | C3-7 |
Scalenes Insertion: | Ribs 1-2 |
Scalenes Action: | raises rib cage, flexion, rotation of neck |
Rectus Capitis Origin: | C1-2 |
Rectus Capitis Insertion: | Occiput |
Rectus Capitis Action: | flexion, extension, rotation of neck |
Obliquus Capitis Origin: | C1-2 |
Obliquus Capitis Insertion: | Occiput, C1 |
Obliquus Capitis Action: | extension, rotation of head |
Longus Capitis Origin: | C3-6 |
Longus Capitis Insertion: | Occiput |
Longus Capitis Action: | flexion of head |
Quadratus Lumborum Origin: | Iliac crest |
Quadratus Lumborum Insertion: | L1-5 |
Quadratus Lumborum Action: | flexion of spine |
Intertransversarii Origin: | transverse process of all vertebrae |
Intertransversarii Insertion: | into vertebrae directly above |
Intertransversarii Action: | flexion, stabilization of spine |
Rotatores Origin: | transverse process of all vertebrae |
Rotatores Insertion: | vertebrae directly above |
Rotatores Action: | extension, rotation, stabilization of spine |
Semispinalis Origin: | C4-T10 |
Semispinalis Insertion: | occiput, C1-4, T1-4 |
Semispinalis Action: | extension, rotation, stabilization of spine |
Spinalis Origin: | C4-L2 |
Spinalis Insertion: | occiput, C2-T8 |
Spinalis Action: | extension, flexion, stabilization of spine |
Longissimus Origin: | C4-T5, L1-5 |
Longissimus Insertion: | mastoid process, C2-T12 |
Longissimus Action: | extension of spine |