Howcast - Learn how to do the criss-cross, a Pilates Mat exercise for the abs, from Core Pilates NYC instructor Sarah Ruback in this Howcast workout video.

Howcast - Learn how to do a single straight leg stretch Pilates Mat ab exercise from Core Pilates NYC instructor Sarah Ruback in this Howcast workout video.

Howcast - Learn how to do the single leg stretch Pilates Mat ab exercise from Core Pilates NYC instructor Sarah Ruback in this Howcast workout video.

Howcast - Learn how to remove a bike chain from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video, part one of three.

Howcast - Learn how to avoid shin splints while exercising from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the single leg dead lift from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the walking tree pose from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the quad walk from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do high kicks from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the outer thigh stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video from Howcast.

Howcast - Learn how to do a calf stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the high knee lift from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do a shin stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the inner thigh stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the butterfly stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the lying down hamstring stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the hip flexor stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the standing hamstring stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the standing quad stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do prone quad stretch from personal trainer Mindi Smith in this Howcast sexy legs workout video.

Howcast - Learn how to do the mermaid, an intermediate Pilates Mat exercise, from Core Pilates NYC instructor Sarah Ruback in this Howcast workout video.

Howcast - Learn how to massage the neck using deep tissue massage techniques from celebrity massage therapist Meagan Holub in this Howcast video.

Howcast - Learn how to wrap and fasten a boutonniere from floral designer Sarah Brysk Cohen in this DIY wedding flowers video from Howcast.

Howcast - Learn how to do a hip flexor stretch with a bosu ball from personal trainer Rachel Shasha in this exercise ball workout video from Howcast.