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Spinal Muscle Groups and Innervation

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

Anterior Craniocervical Muscle Group & Innervation   Sternocleidomastoid > spinal access.(CN XI) ;Scalenes > ventral rami cervical nerves  
Deep Anterior Craniocervical Group & Innervation   Longus Colli, Longus Capitis, Rectus Capitis Ant., Rectus Capitis Lateralis > ventral rami cervical nerves  
Posterior Craniocervical-Suboccipital Group & Innervation   Rectus Capitis Posterior Major, Rectus Capitis Posterior Minor, Obliquus cap.sup., Obliques, cap.inf. > suboccipital nerve  
Superficial Cervical Extensors Group & Innervation   Splenius Capitis, Splenius Cervicis > dorsal rami cervical nerves  
Abdominals & Innervation   Rectus Ab., Ext.Obliq., Int.Obliq., Transv.Abdom. > Intercostal nerves  
Iliopsoas & Innervation   Psoas Major, Iliacus > Femoral nerve  
Quadratus Lumborum   Ventral Rami  
Anterior and Lateral Trunk include what 3 groups of muscles?   abdominals, iliopsoas, quadratus lumborum  
Erector Spinae Group & Innervation   Iliocostalis, longissimus, spinalis > dorsal rami of adjacent spinal nerves  
Transversospinal Muscles   Semispinalis, multifidus, rotators > dorsal rami of adjacent spinal nerves  
Short Segmental Muscles & Innervation   Interspinales, Intertransversarus > dorsal rami of adjacent spinal nerves  


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Created by: llacorte