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I am doing weight-lifting 3 times a week, 2-3 hours for each workout.

Now I got a gift of arm weight adders (basically, a sand bag wrapped around forearm, each bag weights 1kg). I'm considering wearing them at home, during my everyday activities, to give my arms some extra training (seems the biceps will get the biggest impact).

Will that improve my training results or will it simply lead to overtraining?

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up vote 3 down vote accepted

They are light enough not to cause over-training, unless you are an advanced lifter. However, they provide stresses on your joints that are not natural. Depending on what you are doing and how forcefully you are moving, they can cause damage to your elbow and shoulder joints or force a stretch you aren't ready for.

I had a Sensei who trained with those things on hands and feet against his Sensei's advice. After many years of the added stress on his joints (punching and kicking), he had to have both his hips replaced.

If all you are doing is making coffee in the morning with those things, you'll probably be OK. Just be careful if you get the bright idea to do anything that requires force or quick movements.

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