muscle innervations Flashcards
Trapezius
Spinal accessory nerve, C1-C5 cord levels
Latissimus Dorsi
Thoracodorsal nerve, ventral Rami C6-C8
Levator Scapulae
dorsal scapular nerve, ventral ramus C5 plus ventral rami C3, C4
Rhomboid Major
dorsal scapular nerve, ventral ramus C5 plus ventral ramus C4
Rhomboid Minor
dorsal scapular nerve, 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 & upper L
Longissimus Cervicis
dorsal rami C4-C8; T1-T2
Longissimus Capitis
dorsal rami C1-C3, sometimes C4
Spinalis Thoracis
dorsal rami T & upper L
Spinalis Capitis
dorsal rami lower C, upper T