It is based on neuroscience, just like exercise routines are based on bioscience. It may be low tech, but that doesn't make it wrong. "lifting with your knees,

It is based on neuroscience, just like exercise routines are based on bioscience. It may be low tech, but that doesn't make it wrong. "lifting with your knees, not back" is utterly simple, but it is back by sound biokinematics.