The first roller skates were invented in the 18th century, and were made of wood and metal. elaborate
Gymnasts can lose up to 2% of their body weight in sweat during a single routine. elaborate
The gi (uniform) worn in many martial arts, like Judo and Karate, was originally a type of Japanese work clothing. elaborate
Dog agility courses are designed to be challenging but not dangerous, and the obstacles are built to be easily moved or broken if a dog were to crash into them. elaborate
The first documented ascent of El Capitan in Yosemite Valley took 45 days. elaborate