I would love to know and have not been able to figure this out when I am trying to lift extremely heavy objects. I always end up hurting my back or shoulders because I don’t know how you force the legs to lift things while you are standing on them in one spot or moving. Are you also supposed to be lifting with your legs while you’re walking the heavy object to its destination?
In: Physics
Bend your knees not your back.
When lifting something from the floor, squat down, grab it, then stand up while keeping your back straight (tipping your head back helps do this)
Your leg muscles are generally stronger than your back, and better designed for lifting.
If you can’t lift it without hurting your arms, then it’s too heavy for you to lift safely. Get somebody else to help you.
When carrying an object, keep it close to your body, ideally holding it between your shoulders and waist.
If you need images to help you understand, try googling “how to do manual handling properly”
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