Howcast - Learn about the accordion keyboard from musician / Broadway actress Katrina Yaukey in this Howcast video.

Howcast - Learn how to do swivels in merengue from professional dancers Ernesto Palma and Crystal Rodriguez in this Howcast dance video.

Howcast - Learn pre-workout stretches for pregnant women from fitness expert Cait Morth in this Howcast workout video.

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

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

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

Howcast - Learn how to dance like Quest Crew in Party Rock from Matt Lopez and DEF-C Crew in this hip-hop dance video, part four of a four-part Howcast series.

Howcast - Learn how to dance like Quest Crew in Party Rock from Matt Lopez and DEF-C Crew in this hip-hop dance video, part one of a four-part Howcast series.

Howcast - Learn how to dance like Nsync in It's Gonna Be Me from Matt Lopez and DEF-C Crew in this hip-hop dance video, part six of a six-part Howcast series.

Howcast - Learn how to dance like Lady Gaga in Telephone from Matt Lopez and DEF-C Crew in this hip hop dance video, part one of a three-part Howcast series.

Howcast - Learn how to dance like Beyonce to Love On Top from Matt Lopez and DEF-C Crew in this hip-hop dance video, the last in a seven-part Howcast series.

Howcast - Learn how to dance like Chris Brown to Drop It Low from Matt Lopez and DEF-C Crew in this hip-hop dance video, the first in a two-part Howcast series.

Howcast - Learn how to strike to the double from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video.

Howcast - Learn how to do passing the open guard techniques from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video, part one of two.

Howcast - Learn the countering double and sprawl takedown defenses from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video.

Howcast - Learn the finishing the double technique from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video.

Howcast - Learn how to do the cat mommy for a leg workout from fitness instructor Michelle Seabreeze in this Howcast dance workout video.

Howcast - Learn how to do water aerobics thigh exercises from Dancing with the Stars performer Aubree Marchione in this Howcast water workout video.

Howcast - Learn how to do water aerobics side kicks from Dancing with the Stars performer Aubree Marchione in this Howcast water workout video.

Howcast - Learn how to do water aerobics cross-country skiing from Dancing with the Stars performer Aubree Marchione in this Howcast water workout video.

Howcast - Learn how to do a roundhouse kick in kickboxing from Mushin MMA's Sean Hinds in this muay Thai training video from Howcast.

Howcast - Learn how to do five kicking techniques used in kickboxing from Mushin MMA's Sean Hinds in this muay Thai training video from Howcast.

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

Howcast - Learn how to kiss with glasses from kissing expert Shallon Lester in this Howcast video.