‘I’m a Taekwondo World Champion and 4th-Degree Black Belt—Here’s How I Build Strong *and* Flexible Legs’
At only 20 years old, Rayna Vallandingham has already won 13 world championships in the Korean martial arts form. Here's her best advice for …
At only 20 years old, Rayna Vallandingham has already won 13 world championships in the Korean martial arts form. Here's her best advice for …