Howcast - Learn how to do the arm swings dance move from fitness expert Rachel Warren in this hip-hop dance workout video from Howcast.

Howcast - Learn how to escape from a north-south position from Alliance MMA black belt Babs Olusanmokun in this Howcast Brazilian Jiu Jitsu video.

Howcast - Learn how to do kettlebell exercises from certified personal trainer Max Tapper in this Howcast gym workout video.

Howcast - Learn how to Willy Bounce, a reggae dance, from professional dancer Charlene "Chi-Chi" Smith in this Howcast dance video.

Howcast - Learn how to do the Wop from professional dancer Charlene "Chi-Chi" Smith in this Howcast dance video.

Howcast - Learn how to do the overhead clear shot from New York City Badminton's Chris Awong in this Howcast video. Thumbnail: BADMINTON by alainalele/Flickr

Howcast - Learn how to do the clean sweep in reggae dancehall from the founders of Str8FramYaad Dancehall Aerobics in this Howcast dance video.

Howcast - Learn three common running mistakes from competitive runners Doug Oldiges and Stephanie Coburn in this Howcast video.

Howcast - Learn how to do a knee bar from half guard leg lock in this Howcast video about lower body submission techniques for jiu jitsu, judo, sambo, and mma.

Howcast - Hitting a slow-pitched, high-arcing softball harder and farther takes hand-eye coordination, patience, and rhythm. Add power to your swing and hit farther home runs than you ever have before.

Howcast - Learn some backflip drills in this gymnastics training video from Howcast.

Howcast - Let tennis pros Joe Perez and Kirk Moritz teach you how to volley in this Howcast video.

Howcast - Learn how to do a funky swing step with this Howcast Latin dance video.

Howcast - Let tennis pros Joe Perez and Kirk Moritz teach you how to beat a hard hitter in this Howcast video.

Howcast - Learn how to do a hula hoop escalator from hula hooping expert Natalie "McFancy" Wise in this Howcast video.

Howcast - Learn how to do hula hoop back isolations from hula hooping expert Natalie "McFancy" Wise in this Howcast video.

Howcast - Learn how to do a hula hoop horizontal jump through from hula hooping expert Natalie "McFancy" Wise in this Howcast video.

Howcast - Learn how to do a hula hoop behind the back pass from hula hooping expert Natalie "McFancy" Wise in this Howcast video.

Howcast - Learn how to do the hula hoop lasso from hula hooping expert Natalie "McFancy" Wise in this Howcast video.

Howcast - Learn how to take and catch a lead fall from indoor rock climbing expert Cliff Simanski in this Howcast video.

Howcast - Learn djembe drumming patterns for beginners from the musicians at Wula Drum in this Howcast video.

Howcast - Learn how to do a 360 bunny hop on a BMX from expert Francisco ColÃ_n in this Howcast video.

Howcast - Learn how to do a footjam on a BMX from expert Francisco Colón in this Howcast video.

Howcast - Learn how to do a Nollie 180 on a BMX from expert Francisco Colón in this Howcast video.