Balance

Question 1

Define static balance

Answer 1

The ability to maintain stability with the centre of mass over the base of support with the body at rest

Question 2

Define dynamic balance

Answer 2

The ability to maintain stability with the centre of mass over the base of support when parts of the body are in motion

Question 3

What are the two types of movements we make to maintain dynamic balance?

Answer 3

Anticipatory - Postural adjustments are made before a movement is performed, experience is important

Adaptive - Improve adaptation or balance skills for varying task and environmental conditions

Question 4

What are the functions of posture?

Answer 4

• Maintains alignment of body segments
• Anticipate change to allow engagement in voluntary movement
• Helps to react to unexpected perturbations:
  mechanical perturbations (changes in force acting on body)
  informational perturbations (ambient light/sound)