Lumbosacral Junction (L5-S1) Lateral

8x10LW

recumbent, center MCP to MLT exact left lateral, flex & exactly superimpose knees & elbows, support with sponges

Vert column | | to TT, support waist, no rotation

┴ to point 1.5" inferior crests + 2" posterior ASIS

left, lower outer corner, face up

6x8

Place leaded rubber on TT behind PT's spine to reduce scatter radiation, if spine is not horizontal, 5° - male or 8° female caudal

Lat view L5-S1 jt, lower lumbar upper sacrum

open + centered LS jt, all L5 + up sacrum, superimposed crests