Howcast - If you don't mind passing the pigskin in your underwear -- and in front of large crowds -- you might have what it takes for lingerie football!

Howcast -Your oblique muscles keep your body upright and cover the internal organs from your pelvis to your ribs. Keep in shape and perform oblique crunches.

Howcast -Learn how to do a passe position from ballerina Maegan Woodin in this Howcast ballet dance video.

Howcast -Learn how to tune a guitar using a tuning fork in this Howcast video.

Howcast -Learn how to dance like Rihanna from choreographer Matt Steffanina in this Howcast dance video.

Howcast -Learn how to improve your turnout from ballerina Maegan Woodin in this Howcast ballet dance video.

Howcast -Learn how to do a mountain climber plank from certified personal trainer Amanda Edell in this Howcast ab workout video.

Howcast -Learn how to do bicycle crunches from certified personal trainer Amanda Edell in this Howcast ab workout video.

Howcast -Learn how to do an exercise called the bird dog from certified personal trainer Amanda Edell in this Howcast ab workout video.

Howcast -Learn how to do a plank with knee taps from certified personal trainer Amanda Edell in this Howcast ab workout video.

Howcast - Learn how to do the bounce under the knee basketball trick from the Harlem Wizards in this Howcast basketball video.

Howcast - Learn how to do the heel hook from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video.

Howcast - Learn how to do the rolling arm bar from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video.

Howcast - Learn how a chiropractor treats knee pain from Dr. Karen Erickson in this Howcast video.

Howcast - Learn the basics of dancing the Melbourne Shuffle from choreographer Matt Steffanina in this Howcast dance video.

Howcast - Learn some dribbling drills from the Harlem Wizards in this Howcast basketball video.

Howcast - The hamstrings are responsible for propelling legs forward, pulling them back, and flexing knees. And what do they get in return? Often painful pulls and tears. Doesn't seem fair, does it?

Howcast - Picture a cow in a pasture or a sleeping cat—could their lives be any more relaxed? Since stress aggravates back pain, take a cue from these animals and practice this relaxing yoga-inspired stretch.

Howcast - Done correctly, this meditation pose allows you to sit without thinking about your body for as long as you like—or at least until you start to smell dinner in the air.

Build up your thighs and butt with this simple, effective exercise.

The Pilates Stomach Series is also known as the "fabulous five," because of the wonderful way the five movements tone the tummy.

Your knees support much of your weight. Exercise can keep your knees healthy by strengthening the muscles surrounding the joints.

Discover the power of seated ab exercises with this gentle chair yoga routine designed to sculpt your core while strengthening and toning your legs. Great for all levels, especially beginners.

Elevate your fitness and well-being with chair yoga designed to tone your waist and thighs! Perfect for all levels, especially beginners!