1. Walking drills are; LOW IMPACT EXERCISE.
2. Sprinting drills are; HIGH IMPACT EXERCISE
3. During LOW IMPACT EXERCISE one foot remains on the ground.
4. Jumping in place is a type of HIGH IMPACT EXERCISE
5. WIND SPRINTS burn(s) the most calories.
6. HIGH IMPACT EXERCISE can put a strain on the joints.
7. WIND SPRINTS can be a walking drill with a 20 seconds jot included in it.
8. LOW IMPACT EXERCISE can be done in the floor.
Exercise can be defined as regular physical activity of the body that is aimed at boosting endurance, improving the overall well-being and conditioning of the body as well as enhancement and maintanance of physical fitness and improvement of the delivery of oxygen and nutrients to body tissues.
The above explains some types of exercise and the level/degree of impact they have on the body as well as a more detailed explanation on what a high impact exercise and a low impact exercise entails.