vigorous exercise
vigorous exercise
Exercise intense enough to cause sweating and/or heavy breathing, and/or increase of heart rate to near maximum. Vigorous exercise is formally defined as that which requires > 6 METs (metabolic equivalent of O2 consumption), and includes:• Brisk walking—6.5–8 km (4–5 mph);
• Lap swimming;
• Roller-blading—2–3 hours/week;
• Running—9.5–11 km/hour (6–7 mph);
• Shoveling snow;
• Singles tennis.
There is a graded inverse relationship between total physical activity (vigorous exercise in particular) and cardiovascular mortality.