Possibly: You could damage your back without proper technique. There are several exercises to strengthen your abs without having to do crunches. Planks are a good example of this. See your physical therapist to make sure you are using proper technique and to learn additional isometric exercises.
Answered 12/9/2013
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A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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