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Equilibrium and Stability Concepts

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Questions and Answers

What is the main characteristic of an unstable object?

It is difficult to upset

It requires some effort to keep it balanced

It is easily upset (correct)

It is not easily toppled

In the standing posture, where is the centre of gravity located?

Near the head region

Near the feet

Near the stomach region

Near the upper pelvic region (correct)

What is necessary for performing skills according to the text?

Dynamic equilibrium

Unstable environment

Equilibrium or stability (correct)

Simple equilibrium

Which type of equilibrium involves a body that must not be moving or rotating?

Static equilibrium Signup and view all the answers

In static equilibrium, what must be true about the sum of all forces acting on the body?

They must add up to zero Signup and view all the answers

What is the definition of static equilibrium?

A state when a body is at rest or completely motionless Signup and view all the answers

Which factor increases equilibrium according to the text?

Extending the base of support in the direction of the expected force Signup and view all the answers

What is dynamic equilibrium defined as?

A state when a moving body has balanced applied and inertial forces Signup and view all the answers

Which physiological functions contribute to dynamic stability?

Vestibular system, vision, touch, and kinaesthetic awareness Signup and view all the answers

In what situations does dynamic equilibrium occur according to the text?

When a body is moving with unchanging speed or direction Signup and view all the answers