Howcast - Learn five muscle building tips, tricks and techniques from expert Skip La Cour with this Howcast bodybuilding video.

Howcast - Learn the basics of bodybuilding from expert Skip La Cour with this Howcast bodybuilding video.

Howcast - Learn how to do the split squat with a side leg raise for a butt-toning workout from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to play defense from the pros at Game Breaker Lacrosse Camps in this Howcast video.

Howcast - Learn how to do the reclining leg raise for a female leg workout from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to do the split squat with side kick for a female leg workout from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to do the dumbbell reach for a female leg workout from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to do warm-ups, jumping jacks, and modified push-ups for a bikini workout from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to perform a somersault in this Howcast video with Dulles Gymnastics Academy.

Howcast - Learn how to do kip drills in this Howcast video with Dulles Gymnastics Academy.

Howcast - Learn how to do the amazing business card magic trick from Magician Roger "Rogue" Quan in this office magic tricks revealed video from Howcast.

Howcast - Learn how to do a sit-up from certified personal trainer James Rizzo in this home ab workout video from Howcast.

Howcast - Learn how to do the basket step with rotation in merengue from professional dancers Ernesto Palma and Crystal Rodriguez in this Howcast dance video.

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

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

Howcast - Learn the eagle pose for prenatal yoga from fitness expert Cait Morth in this Howcast workout video.

Howcast - Learn the cat and cow stretch for prenatal yoga from fitness expert Cait Morth in this Howcast workout video.

Howcast - Learn exercises for SI joint dysfunction from fitness expert Cait Morth in this Howcast workout video.

Howcast - Learn how to work out with an exercise ball during pregnancy from fitness expert Cait Morth in this Howcast workout video.

Howcast - Learn how to do an oblique V up from certified personal trainer James Rizzo in this home ab workout video from Howcast.

Howcast - Learn how to do a side plank from certified personal trainer James Rizzo in this home ab workout video from Howcast.

Howcast - Learn the bridge pose from certified yoga instructor Chelsey Korus in this Howcast video.

Howcast - Learn the bow pose from certified yoga instructor Chelsey Korus in this Howcast video.

Howcast - Learn the upward facing dog from certified yoga instructor Chelsey Korus in this Howcast video.