![Dianna Cowern 在Twitter 上:"6 week flexibility challenge! I'm putting the science I learned in my latest video to use. I'll post again in 6 weeks to show you my progress. HOLD Dianna Cowern 在Twitter 上:"6 week flexibility challenge! I'm putting the science I learned in my latest video to use. I'll post again in 6 weeks to show you my progress. HOLD](https://pbs.twimg.com/media/DZ_kKo-VwAAuzQ2.jpg)
Dianna Cowern 在Twitter 上:"6 week flexibility challenge! I'm putting the science I learned in my latest video to use. I'll post again in 6 weeks to show you my progress. HOLD
![Dianna Cowern on Twitter: "Did she wear the itsy bitsy teeny weeny yellow polka dot bikini today for the first time ever in her life? Or for the first instance of the Dianna Cowern on Twitter: "Did she wear the itsy bitsy teeny weeny yellow polka dot bikini today for the first time ever in her life? Or for the first instance of the](https://pbs.twimg.com/media/D16YT4GUYAAdpQg.jpg)
Dianna Cowern on Twitter: "Did she wear the itsy bitsy teeny weeny yellow polka dot bikini today for the first time ever in her life? Or for the first instance of the
![تويتر \ Dianna Cowern على تويتر: "@mrsaltie @veritasium @RaquelNuno It was like being in a washing machine with a bunch of plastic balls." تويتر \ Dianna Cowern على تويتر: "@mrsaltie @veritasium @RaquelNuno It was like being in a washing machine with a bunch of plastic balls."](https://pbs.twimg.com/media/D9crjVZUIAAjFCP.jpg)