Erector spinae (sarcospinalis) and spinotransversalis groups origin and insertions

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Last updated 7:45 PM on 9/25/26
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11 Terms

1
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<p>iliocostalis lumborum</p>

iliocostalis lumborum

origin: posterior iliac crest, posterior sacrum, sacro-iliac ligament, sacral and inferior lumbar spinous processes, supraspinatus ligament

insertion: angles of lower ribs, cervical transverse process

2
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<p>iliocostalis thoracis</p>

iliocostalis thoracis

origin: posterior iliac crest, posterior sacrum, sacro-iliac ligament, sacral and inferior lumbar spinous processes, supraspinatus ligament

insertion: angles of lower ribs, cervical transverse process

3
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<p>iliocostalis cervicis</p>

iliocostalis cervicis

origin: posterior iliac crest, posterior sacrum, sacro-iliac ligament, sacral and inferior lumbar spinous processes, supraspinatus ligament

insertion: angles of lower ribs, cervical transverse process

4
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<p>longissimus thoracis</p>

longissimus thoracis

origin: posterior iliac crest, posterior sacrum, sacro-iliac ligament, sacral and inferior lumbar spinous processes, supraspinatus ligament

insertion: rips b/w tubercles and angles to transverse processes in thoracic and cervical region to mastoid process

5
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<p>longissimus cervicis</p>

longissimus cervicis

origin: posterior iliac crest, posterior sacrum, sacro-iliac ligament, sacral and inferior lumbar spinous processes, supraspinatus ligament

insertion: rips b/w tubercles and angles to transverse processes in thoracic and cervical region to mastoid process

6
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<p>longissimus capitus</p>

longissimus capitus

origin: posterior iliac crest, posterior sacrum, sacro-iliac ligament, sacral and inferior lumbar spinous processes, supraspinatus ligament

insertion: rips b/w tubercles and angles to transverse processes in thoracic and cervical region to mastoid process

7
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<p>spinalis thoracis</p>

spinalis thoracis

origin: posterior iliac crest, posterior sacrum, sacro-iliac ligament, sacral and inferior lumbar spinous processes, supraspinatus ligament

insertion: spinous process in upper thoracic region to cranium

8
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<p>spinalis cervicis</p>

spinalis cervicis

origin: posterior iliac crest, posterior sacrum, sacro-iliac ligament, sacral and inferior lumbar spinous processes, supraspinatus ligament

insertion: spinous process in upper thoracic region to cranium

9
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<p>spinalis capitis</p>

spinalis capitis

origin: posterior iliac crest, posterior sacrum, sacro-iliac ligament, sacral and inferior lumbar spinous processes, supraspinatus ligament

insertion: spinous process in upper thoracic region to cranium

10
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<p>splenius capitus</p>

splenius capitus

origin: nuchal ligament and spinous process of c7-t6 vertebrae

insertion: mastoid process and superior nuchal line (occipital bone)

11
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<p>splenius cervicis</p>

splenius cervicis

origin: nuchal ligament and spinous process of c7-t6 vertebrae

insertion: tubercles of transverse process of c1-c3 or c4