Not all muscles resist extension, some do the opposite and contract. | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		jimbo808 47 days ago \| parent \| context \| favorite \| on: Resistance training load does not determine hypert... Not all muscles resist extension, some do the opposite and contract.

pasquinelli 47 days 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.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact