Quote:
Robert John wrote:
There's a big difference in having the core initiate as opposes to the legs initiating. Otherwise, a squat could be touted as being "IS" because it's a "whole body" exercise. There's a no so subtle difference.
Rowing and squatting can be modded to be done in an IS fashion, but you have to know "how"
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And what if every joint in the body initiates simultaneously? Is that not internal because the legs and the trunk both shared the responsibility, rather than doing everything with the trunk?