It seems that this exercise goes against the wisdom of “lift with your legs.” Why is that?
In: Biology
because ‘lift with your legs’ is only good advice for people who don’t regularly lift heavy things and then decide they need to move the couch, your legs can probably handle more weight than your back can.. proabably..
its not wrong but there isn’t anything inherently wrong to using your back to lift something, I mean kind of obviously, you can pick up things off the floor without doing a full squat to go get them
the gym is a pretty ideal place to lift things since you can work to have perfect form, bars are very consistently shaped and easy to grasp in different places and you can dial in precisely the weight you want to lift
when weight gets heavy you do want to keep your back straight and pull up close to your body since having your back straight lets you safely pull with even more force than if not, but even then a lot of the force of the deadlift is hinging at the hips so it does use ‘your back’ at least your lower back
and obviously you CAN hurt yourself too, usually why when you weightlift you do reps of the same exercise and you stop before you hit your max, so doing 8 deadlifts when your max is 10 is totally fine, those last two are more dangerous but also you can totally progress only doing 8 and not trying to push those last two where your form starts to get sloppy
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