It is often believed that structural or mechanical low back pain is related to a weakness within the core. This article discusses the myth of the weak core and introduces the idea that structural/mechanical low back pain has more to do with an individual’s core stabilization strategy rather than their overall core strength. Evan Osar provides an easy to implement assessment that will enable you to determine, with good accuracy, whether your client’s low back issues stem from a strength deficit or a non-optimal core stabilization strategy.