Stomach Crunches While Laying in Bed

  • 8 years ago
Stomach Crunches While Laying in Bed. Part of the series: Fitness & Training Tips. Stomach crunches while laying in a bed can also be done at work, if you're stuck in traffic or in other types of situations. Find out about stomach crunches while laying in a bed with help from a certified personal trainer and group fitness instructor in this free video clip.