Assertion: thick aponeurosis | /r/CapableOf | separate into two layers
Facets:
Source sentences:
text: Between the L2/L3 intervertebral disc level to the L4 vertebral level, as this aponeurosis approaches the PRS, it appears to separate into two layers (Figs 1 and 2) that contribute to the formation of the LIFT, as previously described.