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Softball612 Softball612
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6 years ago
Which system of exercise involves a short burst of intense effort followed by a specified recovery period according to a prescribed ratio, e.g., a 1:3 work-to-recovery ratio?
 a. Zumba
 b. cross-training
 c. plyometric training
 d. interval training
 e. high-impact aerobics
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hillaryanahillaryana
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6 years ago
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Softball612 Author
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6 years ago
Smart ... Thanks!
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Yesterday
Thank you, thank you, thank you!
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2 hours ago
This helped my grade so much Perfect
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