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Muscle groups

Intermediate layers of the back

Iliocostalis lumborumLongissimus thoracisIliocostalis thoracisIliocostalis CervicisLongissimus CervicisLongissimus CapitisSpinalis Thoracis
O- Iliac crest O- Tip of TPs of lumbar and lower thoracic O- Costal surface of lower six ribs O- Costal surface of the upper six ribs O- Tip of the Transverse processes of T1- T6 O- Tip of TPs of C5- T4 O- Spinous processes of T10 to L5
I- Costal surface of lower six ribs I- Tip of TPs of all thoracic and the 9th and 10th ribs I- Costal surface of the upper six ribs I- TPs of C4- C6 I- Tip of the TPs or C2- C6 I- Mastoid process of temporal I- Spinous process of T8- T1
A- Extends the lumbar spine A- Extends the spine A- Maintains erect posture and extends the thoracic spine A- Extends the lower cervical A- Extends the cervical spine A- Extends the head and neck, rotates head to same side, laterally flexes head to same side A- Extends the spine
Created by: paperpixie