Autochtonous back muscles (Semmelweis) Flashcards
The erector spinae muscle expands in a longitudinal groove formed by ___ and ____
the spinous processes of the vertebrae and the angles of the ribs, ensheathed by the thoracolumbar fascia
The erector spinae muscle
The bulk of the muscle fibres arise from the posterior part of the iliac crest together with ____
the medial sacral crest.
The erector spinae muscle
The bulk of the muscle fibres arise from ___ together with the medial sacral crest.
the medial sacral crest.
he erector spinae can be subdivided into the 2 parts
- Medial Part
- Lateral part
Which muscle group that the Medial Part of The erector spinae have?
transversopinalis
- Lateral Part
The spinotransversal muscles (splenius) arise on the spinous processes and ascend in ____ direction.
transversopinalis
- Medial Part
a) transversopinalis
In the thoracic part, the muscle extends cranially and medially as (1)_____
→ Further cranially, now as semispinalis cervicis, the muscle inserts on (2)___
- semispinalis thoracis.
- the spinous process of C2.
- Medial Part
a) transversopinalis
The most cranial part, ____, ascends along the midline to reach the nape.
semispinalis capitis
- Medial Part
a) transversopinalis
The most cranial part, semispinalis capitis, ascends along the midline to reach the nape.
→ Deeper, we can identify ____ which span over 3-4 vertebrae.
the multifidi
- Medial Part
a) transversopinalis
The most cranial part, semispinalis capitis, ascends along the midline to reach the nape.
→ Deeper, we can identify the multifidi which span over 3-4 vertebrae.
→ The deepest muscles are called ____, they pass nearly horizontally to span over a single vertebra.
rotators
- Lateral Part
The spinotransversal muscles (splenius) arise on_____ and ascend in cranial direction.
the spinous processes
- Lateral Part
The splenius cervicis and the splenius capitis reach ____ and ____, respectively.
the transverse processes of the upper cervical vertebrae and the occipital bone
