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Question 1

Iliocostalis, longissimus, spinalis

Answer 1

C- accelerates spinal extension, rotation and lateral flexion
E- decelerates spinal flexion, rotation, and lateral flezion
I- dynamically stabilizes the spine during functional movements

Question 2

Quadratus lumborum

Answer 2

C- accelerates ipsilateral spinal flexion and ipsilateral elevation of pelvis
E- decelerates contralateral spinal rotation
I- attaches to 12th rib to stabilize diaphragm during inspiration

Question 3

Multifidus

Answer 3

C- accelerates spinal extension and contralateral rotation
E- decelerates spinal flexion and rotation
I- stabilizes the spine