| Muscle
| Innervation
|
| Anterior Thoracic Wall
| |
| pectoralis major
| lateral and median pectoral
|
| pectoralis minor
| medial pectoral
|
| serratus anterior
| "C5,C6,C7"
|
| subclavius
| "C5,C6"
|
| external intercostal
| intercostal nerves
|
| internal intercostal
| intercostal nerves
|
| |
| Anterior Abdominal Wall Muscles
| |
| external oblique
| T7-T12
|
| internal oblique
| T8-L1
|
| transversus abdominus
| T7-L1
|
| rectus abdominus
| T6-T12
|
| cremaster
| "L1,L2"
|
| diaphragm
| phrenic (C3-C5)
|
| |
| Posterior Abdominal Wall Muscles
| |
| quadratus lumborum
| T12-L4
|
| psoas major
| L1-L4
|
| psoas minor
| L1
|
| |
| Pelvic Muscles
| |
| iliacus
| "L2,L3"
|
| levator ani
| "S3,S4,S5"
|
| coccygeus
| "S4,S5"
|
| external anal sphincter
| S4
|
| obturator internus
| "L5,S1"
|
| piriformus
| "S1,S2"
|
| |
| Perineal Muscles
| |
| deep transverse perineal
| perineal branch of pudendal
|
| urethral sphincter
| "(S2,S3,S4)"
|
| superficial transverse perineal
| """"
|
| ischiocavernosus
| """"
|
| bulbospongiosus
| """"
|
| |
| Back Muscles
| |
| latissimus dorsi
| "C6,C7,C8"
|
| trapezius
| "C3,C4"
|
| rhomboid major/minor
| C5
|
| serratus posterior superior/inferior
| T1-T12
|
| erector spinae
| dorsal rami of spinal nerves
|
| transversosplinalis
| dorsal rami of spinal nerves
|
| rectus capitis posterior major/minor
| suboccipital (C1)
|
| obliquus capitis superior/inferior
| suboccipital (C1)
|