This is one of the best exercises you can do. Pleas seek medical advice before attempting! Also, you really should have an exercise professional there with you when you first try this one. So basically folks, let’s use common sense here. I hope this video helps you along the ‘learning’ process. I make no claims or necessarily share any affinity. with the guy talking but for the most part is a clip on how to do a very important functional move. When I say ‘functional’, think picking up shopping backs and hoisting them to a high shelf.