Stability & QMA
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10 Terms
Define Static Equilibrium (+example)
when all parts of the body or object are at rest eg, a ball stationary on the ground
Define Dynamic Equilibrium
when a body is in motion with a constant velocity
Define Stability
the degree to which a body resists changing its equilibrium
Define Centre of Gravity
the point of an object around which all of its weight is evenly distributed and balanced
Define Base of Support
the area of an object that is in contact with the object supporting it
How do you increase stability and balance? (4)
lower COG, line of support over base, increase base of support, increase friction
How do you decrease stability and balance? (4)
raise COG, move line of gravity outside base of support, narrow base of support, decrease friction
Why would you decrease stability and balance?
If a body is stable it is harder to disrupt its equilibrium
What is Qualitative Movement Analysis?
systematic approach to analyse the performance of skills and provide feedback
What are the steps for QMA
Preparation, observation, evaluation, error correction
Note 
Flashcards (34)