The Industrial Weight Lifter II

Surgeons & nurses on gurney wheeled into hospital, surgeons operate on man. Man with spine & silly head model demonstrates how weight is placed on the weight lifter. Weight lifter lifting heavy barbells. Proper lifting techniques lifting boxes on various industries. At the job site. Woman lifting at home vacuum cleaner. Male jogger crosses paths with female jogger, man pursues female jogger. Man holds and twists artificial spine. Man pokes spine with pencil.