Comment by jimbo808 1 day ago Not all muscles resist extension, some do the opposite and contract. 3 comments jimbo808 Reply pasquinelli 1 day ago i don't understand what this means. the stretch feeling is an involuntary muscle contraction that is happening to resist extension on the opposite side.
pasquinelli 1 day ago i don't understand what this means. the stretch feeling is an involuntary muscle contraction that is happening to resist extension on the opposite side.
i don't understand what this means. the stretch feeling is an involuntary muscle contraction that is happening to resist extension on the opposite side.