Skip to main content
. 2012 Dec 14;22(5):1045–1052. doi: 10.1007/s00586-012-2612-5

Fig. 5.

Fig. 5

The weight of the body (P1 or P2) can be broken down into component of compression perpendicular to the intervertebral disc and a component of shearing (C1 or C2). The shearing force is small at the L4–L5 level and much greater at L5–S1