balance and postural control Flashcards
What is the definition of balance?
The ability to move or remain in a position without losing control or falling.
What is the centre of pressure?
Vertical projection of centre of mass.
Define base of support.
Area of the object that is in contact with the ground.
What is the centre of mass?
Unique point around which the object’s mass is equally distributed in all directions.
What are the key concepts related to balance?
- Centre of Mass
- Centre of pressure
- Base of support
What is static balance?
The ability to maintain the body in some fixed posture.
What is dynamic balance?
The ability to maintain balance while the body parts are in motion.
Give an example of static balance.
Unipedal (one foot) standing in a stable or unstable surface.
What does static balance require?
The body to remain in a state of rest with all applied forces cancelling each other out.
What is required for dynamic balance?
The body to be in a state of motion.
Provide an example of dynamic balance.
Jumping on one leg.
Fill in the blank: The centre of mass is the unique point around which the object’s mass is equally distributed in all _______.
directions.
True or False: Static balance occurs while the body is in motion.
False.
