Utter garbage, without a shred of evidence to support the claim that stretching is essential before running. What’s essential is a thorough warmup, which this supposed expert didn’t do at her CrossFit gym. But, now she owns a stretching emporium so now it’s crucial.
It’s witless self promoters like this who pollute the already confusing fitness marketplace with their ridiculous claims and assertions. No wonder people don’t understand what they should do and why.