Author: Natalie Simpson

There are many derivatives of this myth and the simplest response to this is usually “deadlifting is not bad for your back, it is how you are deadlifting that is bad for your back”. The more complex answer however is going to involve explaining some biomechanics and basic anatomy. Forces First of all let’s start with some basic numbers the average lumbar spine load tolerance for shear force is 2500 Newtons (N) and compressive force is 16,000N. The majority of force encountered at the lumbar spine in a deadlift is a shear force. However, there are also compressive forces along the spine...