The lumbar spine is made up of how many of these.
What is 5 vertebral units
Group of muscles that extend the spine.
The most common cause of chronic low back pain.
Bundle of nerves coming off the T12-L4 vertebral units.
What is the lumbar plexus?
what is the L2 dermatome.
The section of the vertebra in purple
The four layers of abdominal muscles deepest to most superficial.
What is the transverse abdominis, internal oblique, external oblique, rectus abdominis?
Bundle of nerves coming off the L5-S2 vertebral units.
Knee extension.
What is the L3 Myotome?
The part pictured in orange.
Small, but powerful stabilizers of the lumbar spine.
What are the multifidi?
This can occur when there is a bilateral fracture of the pars interarticularis.
What is a spondylolisthesis?
An area of skin innervated by a single nerve root.
What is a dermatome?
What is the L4 myotome.
The region in red.
Known as the "hip hike" muscle
What is the Quadratus Lumborum?
Can be caused by a fall from a height.
What is a compression fracture?
A group of muscles innervated by a single nerve root.
Posterior calf and thigh
The area where the pedicle and lamina come together.
What is the Pars Interarticularis?
This is the sheet of white tissue that connects the right and left abdominal muscles
Symptoms include pain, saddle numbness, muscle weakness, and bowel/bladder incontinence.
What is cauda equina syndrome?
Found at the base of the spinal cord.