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Splenius Capitis
S. Cervics
shape
location
fibre direction
attachments
S: thin and strap-like
L: posterior aspect of cervial spine
FD: superolateral
- A: splenius capitis- thoracic and cervical spine and occiput
- splenius cervics- thoracic and cervical spine
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Intrinsic layer: Intermediate muscle group
Erector Spinae has 3 columns
shape
location
fibre direction
attachments
- 3 columns: iliocostalis(lateral): lumborum,thoracic, cervics to ribs
- longissimus(intermediate): thoracic, cervics, capitis attaches to head
- spinalis(medial): thoracis, cervics close to spine
- S: long, strong bands
- L: parallel to the vertebral column
- FD: vertical
- A: sacral reigon and vertebrae, ribs and occiput (capitis only)
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Intrinsic Layer- Deep muscle group
Transversospinal muscle group (3)
shape
location
fibre direction
attachments
- Semispinalis: thoracic, cervics, capitis
- Multifidi
- Rotatores
- S: short
- L: parallel to the spine, deep to the erector spinae
- FD: superomedial
- A: transverse and spinous processes vertebrae
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