For the body and the mind: Try out some knee exercises and learn some new vocabulary related to posture and fitness. Enjoy!

Rick and Theresa Mathes of the Egoscue Clinic in Austin, Texas, show us some simple exercises to do at home to help against lower back pain.

peta2: At only 16 years old, Tia Blanco is already one of the top women surfers in the world. Learn how her vegan diet has helped Tia surf her way to the top!

Meet Leford Green, an up and coming hurdler who represented Jamaica at the 2012 London Olympics as a member of their highly successful track and field team.

Anne-Marie has fun teaching pop star Olly Murs a kick and a block to defend from that kick. Then he tries his hand with the nunchucks, but proves to be more of a danger to himself than to anyone else! Overall, he’s very good, and almost gets top marks for his first day of karate.

The boys from the pop band The Vamps join Anne-Marie for a karate lesson. She takes them though a warm up, some kicking and punching, then a game and a sparring session that threatens to get out of control!

The Barber Motorsports Museum's staff talk about how they source motorcycles and parts. We go along with them as they visit flea markets and high-end auctions.

Welcome to the world's greatest collection of restored and functioning motorcycles. From the dirtiest barns to the most exclusive auctions and private collections, they'll go anywhere to track down a bike. From Paloma productions.

Naish Kiteboarding: 19-year old Kai Lenny takes all his toys down to JAWS as the conditions become epic. Dropping into a 25 foot+ wave is crazy enough, now add in trying to paddle into one of these beasts, that's a whole different story!

From the owners of the Egoscue Clinic in Austin, Texas, here are three exercises you can use if you are suffering from shoulder pain. One note: these are NOT intended for someone with rotator cuff problems.