Fig. 4: Comparison of water content in lumbar discs among various postures in 1G gravity and microgravity.
From: Effect of microgravity on mechanical loadings in lumbar spine at various postures: a numerical study

Water content in a NP and b AF among Neutral 1G, Standing 0G, Neutral 0G, and Fetal Tuck 0G. NP nucleus pulposus, AF annulus fibrosus.