With regard to the “2 second positive, 3 second negative” concept, does the 2 second imply to the upward movement in lets say for argument sake, concentration curls and then 3 seconds down?
Thank you
Associate Member
With regard to the “2 second positive, 3 second negative” concept, does the 2 second imply to the upward movement in lets say for argument sake, concentration curls and then 3 seconds down?
Thank you
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