What is the test for establishing that a disc bulge in the arms was caused by a work incident?

The worker submitted her radiating symptoms into the arms were the result of the disc bulge and the disc bulge had been caused by the work incident. However, it is not always reliable to infer that there is a causal connection merely because a symptom or finding follows the occurrence of an event. In fact, this form of reasoning so often results in false conclusions that logicians have given it a Latin name. It is sometimes referred to as a warning embodied in the Latin maxim “post hoc ergo propter hoc” (roughly translated as “after that therefore because of that”). Ehrcke J. provided a helpful illustration of this Latin maxim in White v. Stonestreet, 2006 BCSC 801: