Thorax Muscles Pt 2
Compiled By Muchiri Simon
Edition: 2024/25
, Medical & Nursing | Anatomy I of IV pages
1. Serratus Posterior Superior o
nuchal ligament c7-t3 spinous process
2. Serratus Posterior Superior i
superior borders of 2nd to 4th ribs
3. Serratus Posterior Superior n
2nd-5th intercostal nerves
4. Serratus Posterior Superior f
elevates ribs 2-4, proprioception
5. Serratus Posterior Inferior o
spinous process of t11-L2
6. Serratus Posterior Inferior i
inferior border of 8th through 12th ribs
7. Serratus Posterior Inferior n
anterior rami to t9-t12 thoracic spinal nerves
8. Serratus Posterior Inferior f
depresses ribs 8-12
9. Levatores costarum o
tips of transverse process of c7,t1-t11
10. Levatores costarum i
pass inferiorlaterally and insert on rib between tubercle and angle
11. Levatores costarum n
posterior rami of c8-t11
12. Levatores costarum f
elevate ribs, assist in respiration, assist with lateral flexion of
13. External intercostals o
inferior border of ribs
14. External intercostals i
superior border of rib below
15. External intercostals n
intercostal nerve
16. External intercostals f
elevate rib during forced inspiration
Anatomy 2024/25 Edition