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Ost has developed an applied relaxation technique using progressive relaxation that can be done at competitions in a. 10 to 12 minutes b. 5 to 7...
Ost has developed an applied relaxation technique using progressive relaxation that can be done at competitions in a. 10 to 12 minutes b. 5 to 7 minutes c. 2 to 4 minutes d. 20 to 30 seconds e. 1 minute