The runner's plank is an alternative I use as a certified trainer when sit-ups aren't possible, and this is exactly how to do the exercise.
MotorTrend on MSN
New Hand Controls Allow Paralyzed Corvette Racer Robert Wickens to Compete in IMSA—But What About the Road?
A crash changed his life and career, and now this tech helps him to be competitive again—and it could one day change the way ...
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