content-type: advice, content-type: default, content-type: feature, content-type: how-to & service, content-type: news, contentid: e9797889-71e6-48d6-ba31-069cb6cec3e3, displaytype: long form article, displaytype: standard article, entertainment, ew, hasproduct: true, health, locale: es, locale: gb, locale: jp, locale: us, media, shorttitle: does pilates help you build muscle?, shorttitle: does the sauna burn calories?, shorttitle: how bethenny frankel stays healthy at 54, shorttitle: how jane fonda stays fit at 86, tv, kate french, shorttitle: catching up with our first cover star