Transversospinalis Muscles Flashcards
Semispinalis Thoracis
Origin
TP T7-T12
Semispinalis Thoracis
Insertion
SP 5-6 segments above
Semispinalis Thoracis
Innervation
Dorsal rami in the area
Semispinalis Thoracis
Action
Bilateral: Spine extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion
Semispinalis Cervicis
Origin
TP T1-T5 articular processes lower C/S
Semispinalis Cervicis
Insertion
SP C2-C5
Semispinalis Cervicis
Innveration
Dorsal rami in the area
Semispinalis Cervicis
Action
Bilateral: neck extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion
Semispinalis Capitis
Origin
TP C7-T6
Articular processes lower C/S
Semispinalis Capitis
Insertion
Occiput between superior and inferior nuchal lines
Semispinalis Capitis
Innervation
Dorsal rami in the area
Semispinalis Capitis
Action
Bilateral: Head extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion
Multifidus Lumborum
Origin
Posterior Sacrum
L1-L5 mamillary processes
Multifidus Lumborum
Insertion
SP 3-4 vertebrae above
Multifidus Lumborum
Innervation
Dorsal rami in the area
Multifidus Lumborum
Action
Bilateral: Spine extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion
Multifidus Thoracis
Origin
TP Thoracic spine
Multifidus Thoracis
Insertion
SP 3-4 vertebrae above
Multifidus Thoracis
Innervation
Dorsal rami in the area
Multifidus Thoracis
Action
Bilateral: Spine extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion
Multifidus Cervicis
Origin
Articular processes lower cervical spine
Multifidus Cervicis
Insertion
SP C2
Multifidus Cervicis
Innervation
Dorsal rami in the area
Multifidus Cervicis
Action
Bilateral: Neck extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion
Rotatores Longus and Brevis (Lumborum, Thoracis, & Cervicis)
Origin
TP of all vertebrae
Rotatores Longus and Brevis (Lumborum, Thoracis, & Cervicis)
Insertion
SP 2 vertebrae above
SP 1 vertebra above
Rotatores Longus and Brevis (Lumborum, Thoracis, & Cervicis)
Innervation
Dorsal rami in the area
Rotatores Longus and Brevis (Lumborum, Thoracis, & Cervicis)
Action
Bilateral: Spine extension
Unilateral: Contralateral rotation
Levator Costarum (Longus and Brevis)
Origin
TP Thoracic Spine
Levator Costarum (Longus and Brevis)
Insertion
Superior Border of subajacent ribs 1 or 2 below
Levator Costarum (Longus and Brevis)
Innervation
Dorsal rami in the area
Levator Costarum (Longus and Brevis)
Action
Ribs: elevation