Fig. 3: Comparison of disc morphology change among various postures in 1G gravity and microgravity.
From: Effect of microgravity on mechanical loadings in lumbar spine at various postures: a numerical study

a Disc height, b cross-sectional area, and c disc volume change among Neutral 1G, Standing 0G, Neutral 0G, and Fetal Tuck 0G.