answers
Illiocostalis - CORRECT ANSWERS-O: Common origin
I: Lower 6 ribs, upper 6 ribs, transverse process of the lower cervical vertebrae
N: Spinal nerves
Fx: Extends and laterally flexes the spine
*Part of Erector Spinae
Inferior Oblique - CORRECT ANSWERS-O: Spinal process of C2
I: Transverse process of C1
N: Suboccipital nerve
Fx: Rotates the head
Latissimus Dorsi - CORRECT ANSWERS-O: Spines of T7-Sacrum, iliac crest, 2 ribs
I: Intertubercular sulcus of humerus
N: Thoracodorsal nerve
Fx: Extends, adducts, and medially rotates the arm
Levator Scapulae - CORRECT ANSWERS-O: Transverse processes of C1-C4
I: Medial border of scapula above the root of the spine
N: Dorsal Scapular nerve
Fx: Fixes and elevates the scapula; flexes the neck laterally
Longissimus - CORRECT ANSWERS-O: Common origin
I: Transverse processes of thoracic, lumbar, and cervical vertebrae to the mastoid
process of the skull
N: Spinal nerves
Fx: Extend and laterally flex the spine; extent and rotates the head
*Part of Erector Spinae
Multifidus - CORRECT ANSWERS-O: Vertebral arches from C2-S4
I: Spines along the entire vertebral column from C2-S4
N: Spinal nerves
Fx: Laterally flexes, rotates, and extends the vertebral column
Quadratus Lumborum - CORRECT ANSWERS-O: Iliolumbar ligament and iliac crest
I: Transverse process of L1-L4 and the lowermost rib