Research Article
Heart Health Risk Assessment System: A Nonintrusive Proposal Using Ontologies and Expert Rules
Table 2
Cardiovascular rules table.
| | Minimum cardiovascular benefit | Aerobic limit | Anaerobic threshold | Severe exercise |
| Borg scale RPE | 11 (fairly light) | 14 (between somewhat hard and hard) | 17 (very hard) | 18–20 (extremely hard to exhaustion) | % | 50% | 60–65% | 80–85% | 85% | % | 70% | 75–80% | 90–92% | 95–100% | Ventilatory responses | Unnoticeable change | Still barely noticeable | Difficult to speak | Exercise hyperpnea, cannot speak |
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