Learn the choreography to “2U” by David Guetta ft. Justin Bieber in this step-by-step dance tutorial. Perfect for beginners ...

Exactly one year ago today, the music video for Psy's mega-hit "Gangnam Style" was uploaded onto YouTube. In that one year, "Gangnam Style" has been viewed over 1.7 billion times – making it the most ...

Plantar flexion is the movement that allows you to press the gas pedal of your car. It also allows ballet dancers to stand on their toes. The term plantar flexion refers to the movement of the foot in ...