spinal anatomy 'bumble bee'

BUM= back, upward, medial BMD= backward, medial, downward

BUL= back, upward, lateral FoLD= forward, lateral, down

Vertebra——> superior articular facet ———> Inferior articular facet

C1 ——————- BUM—————BMD (back, medial down)

C2-C6 ———-— BUL————- FoLD (forward, lateral, down)

C7 ——————- BUM ————-FoLD

T1-T11 —————BUL—————FoLD

T12———————BUL—————FoLD

L1-L5—————-BUM—————FoLD

S1———————-BUM—————none