You dont need to but it would make typing faster and easier with less mistakes.
Most importantly, you'll decrease your chance of injury from repetitive motion.
I wouldn' go as far as saying "must", but it's a sensible thing to aim for. A good posture can protect against back/neck/shoulder troubles later on, and may people think it looks good.
His bad posture has been causing him back pains.Your posture needs correcting.
slighty bent
slighty bent
Her posture during the class was not good. It is an example sentence using posture.
because it is important for your habit
because it is important for your habit
your feet should be flat on the ground to create good posture
So simple... I have very good posture...use very good posture...u need posture when playin and instrument...
have good posture lets you get more air cause you luges are not compress so you can sing for longer if you have good posture
It's good for your body (it will help prevent your back from hurting, for example) and it makes you look better.
Good posture at the piano can enhance your musicality and bad posture can impede it.