Dr. Gunnar Borg introduced the field of perceived exertion in the 1950s. His ratings of perceived exertion (RPE) scale is used worldwide by professionals in medicine, *exercise physiology, psychology, cardiology, ergonomy, and sports. Now, Dr. Borg presents the definitive source for using the latest RPE and CR10 scales correctly.
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| Delivery Time | Ready to ship in 3-5 Business Days |
| Shop Location | Cairo, مصر |
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