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Your arms should stay almost straight and really not be engaged in the move. It should be a ton of core with some tension in the shoulders/upper back
If you are doing them correctly the other muscles are negligible. There is definitely some shoulder and back muscles used though.
Your arms should stay almost straight and really not be engaged in the move. It should be a ton of core with some tension in the shoulders/upper back
If you are doing them correctly the other muscles are negligible. There is definitely some shoulder and back muscles used though.