Week 1 Revision Flashcards
Physical activity
moving your body in any way, any activity
Exercise
the structured, formal undertaking of physical activity to reach a goal
Mechanotransduction
the beneficial effect that physical stressors have on the body
(why physical fitness is good)
Force
Interaction that changes the motion of an object
- Mass over acceleration
Velocity
rate of force development
- Distance moved over time
Bioenergetic systems
Energy used for exercise
- anaerobic
- aerobic
Anaerobic systems
short bursts of activity
Aerobic systems
endurance, longer timed activities
Muscular strength
maximum force in a muscle/muscle group
Muscular endurance
muscle/muscle group performs repeated contractions over time
Muscular power
rate of performing work
Flexibility
maximum range of motion in a joint
Balance
ability to maintain centre of gravity, over base of support