Jumping on the bandwagon: Warning: Note sexual content! A fitness guru in New York bases her workout classes on the risqué bestseller 50 Shades of Grey. According to the New York Daily News, KRISTEN JAMES named her class "50 Shapes of Grey." Workouts include 13 different "sexercises," like "bend-over-better," "seductive squat," and "sexy scissors" (video). James claims the workouts will make people lean and strong and better in the sack. (Still)