L-spine intro

Question 1

ligamentous support

Answer 1

supraspinous, interspinous and ligamentum flavum (LF) are continuous with each other

LF forms a roof for the vertebral canal that will not buckle with flex/ext movements

Question 2

stabilizing muscles

Answer 2

*multifus and transverse abdominus

pelvic floor and diaphragm

Question 3

disc pathologies

Answer 3

protrusion
prolapse
extrusion
sequestration

Question 4

protrusion

Answer 4

posterior disc bulge without rupture of outer annulus

typically NO neurologic involvement