Extensors of the Trunk Flashcards
(60 cards)
Quadratus Lumborum Origin
Illiac crest & illio lumbar ligament
Quadratus Lumborum Insertion
12th rib, L1- L4/L5 transverse processes
Quadratus Lumborum Other movements
Lateral flexion
Quadratus Lumborum Nerve
Subcostal nerve & upper three lumbar nerves
Multifidus Origin
Sacrum & transverse processes of all vertebrae from C4
Multifidus Insertion
Spinous processes 2-4 vertebrae above
Multifidus Other Movements
Lateral flexion & rotation
Multifidus Nerve
Sacral,
thorasic and lumbar nerves
Semispinalis - Capitis Origin
C4 — T7 transverse processes
Semispinalis - Capitis Insertion
Occipital bone
Semispinalis - Capitis Other movements
Rotation, hyperextension and lateral flexion
Semispinalis - Capitis Nerve
Posterior primary rami of adjacent spinal nerves
Semispinalis - Cervicis Origin
T1 T6
transverse processes
Semispinalis - Cervicis Insertion
C2 — C5 spinous processes
Semispinalis - Cervicis Other movements
Rotation & lateral flexion
Semispinalis - Cervicis Nerve
Posterior primary rami of adjacent spinal nerves
Semispinalis - Thoracis Origin
T6 — T10 transverse processes
Semispinalis - Thoracis Insertion
C6 — T4 spinous processes
Semispinalis - Thoracis Other Movements
Rotation & lateral flexion
Semispinalis - Thoracis Nerve
Posterior primary rami of adjacent spinal nerves
Iliocostals - Lumbar Origin
Sacrum & iliac crest
Iliocostals - Lumbar Insertion
L1 — L3 transverse processes and angle of lower 6 ribs
Iliocostals - Lumbar Other Movements
Lateral flexion
Iliocostals - Lumbar Nerve
Dorsal rami of spinal nerves