Home›Browse›back extension🌐EnglishEnglishDeutschFrançaisItalianoSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ928057· pop 14· linked from 70 articlesback extensionSign in to saveAlso known as hyperextensionphysical exerciseWikidata factsImageRoman chair (hyperextension) animation.gifShow 1 more factCommons categoryBack extensionvia Wikidata · CC0Available in 13 languages日本語РусскийItalianoالعربيةCzechSvenskaTiếng ViệtTürkçeUkrainianWelshفارسی한국어via Wikidata sitelinks · CC0