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Exercise and Fitness

Sudden increase exercise affects



When I run on the treadmill and abruptly increase my resistance by 10%, sometimes I notice a palpitation or shortness of breath. It is resolved when I reduce the exertion level or if I increase steadily. Is this normal?


Increased heart rate and respiration are normal responses to increased resistance.

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Response by:

Jayme   Johnson, MS Jayme Johnson, MS
Program Manager
Fitness Center at CARE\Crawley
University of Cincinnati