Lab: Muscle Innervation Flashcards
Trapezius
Spinal accessory N
C1-C5 cord levels
Latissimus Dorsi
Thoracodorsal N
Ventral rami C6-C8
Levator Scapulae
Dorsal scapular N
Ventral ramus C5 plus ventral rami C3, C4
Rhomboid Major
Rhomboid Minor
Dorsal scapular N
Ventral ramus C5 plus ventral ramus C4
Splenius Capitis
Dorsal rami C3-C5
Splenius Cervicis
Dorsal rami C5-C7
Iliocostalis Lumborum
Dorsal rami lower T, all L
Iliocostalis Thoracis
Dorsal rami T1-T6
Iliocostalis Cervicis
Dorsal rami T1, T2, rarely C8
Longissimus Thoracis
Dorsal rami T and L nerves
Longissimus Cervicis
Dorsal rami C4-C8; T1-T2
Longissimus Capitis
Dorsal rami C1-C3, sometime C4
Spinalis Thoracis
Dorsal rami T and upper L
Spinalis Cervicis
Dorsal rami C
Spinalis Capitis
Dorsal rami lower C, upper T
Semispinalis Thoracis
Dorsal rami T1-T6
Semispinalis Cervicis
Dorsal rami C6-C8
Semispinalis Capitis
Dorsal rami C1-C6
Multifidus
Dorsal rami C3-C8, T1-T12, L1-L5, sometimes S1
Rectus Capitis Posterior Major, Rectus Capitis Posterior Minor, Obliquus Capitis Superior, Obliquus Capitis Inferior
Suboccipital N, dorsal ramus C1
Quadratus Lumborum
Ventral rami T12, L1-L3 or L4
Serratus Posterior Superior
Intercostal N
Ventral rami T2-T5
Serratus Posterior Inferior
Intercostal N
Ventral rami T9-T11
Subcostal N
Ventral ramus T12
Longus Colli
Ventral rami C2-C6, sometimes C7
Longus Capitis
Ventral rami C1-C3
Rectus Capitis Anterior
Rectus Capitis Lateralis
Ventral rami C1, C2
Anterior Scalene
Ventral rami C2-C6
Middle Scalene
Ventral rami C3-C8
Posterior Scalene
Ventral rami C6-C8