Vigorously intense exercise is more difficult exercise in which you are working very hard and unable to hold a conversation. Some examples of vigorously intense exercise are:
- Fast Jogging/Running
- Stair Climbing
- Cross-Country Skiing
- Jumping Rope
- Spinning
- Cycling (outdoor)
- Swimming Laps
- High Impact Aerobics
- Interval Training
- Speed Walking/Walking Up Hills
- Tennis (singles)