KINE 2P84 Lecture Notes - Lecture 7: Motor Skill, Future Movement, Anatomical Terms Of Location
8 May 2018
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KINE 2P84 Growth and Development
Global estimates of insufficient activity
- Males: 27.9%
- Females: 33.9%
- Global: 30.9%
Task factors
- External: goals, rules, equipment
Early Motor Milestones
Early Motor Behaviour
- Reflexive: external stimuli
- Spontaneous: not caused by external stimuli
Spontaneous
- Rhythmic coordination within limbs or pairs of limbs (young age infants)
- Patterned, stereotyped, highly intrinsic, involuntary
- Precede more complex movements; walking
Reflexive Period
- Birth – 3 or 4 months
- Begins to change after 2 weeks
- Adapt, interact with the environment
Reflexes
- Occur quickly following onset of stimuli
- Single of specific group of muscles rather than the whole body
- Persistence may indicate problems
Purpose of reflexes
- Built-in responses that facilitate survival
- Open dialogue with environment
- Reflexive movements result in sensory consequences
- Provide building blocks for future movement
- Help determine the level of neurological maturation or cerebral injury
o Absence, delayed appearance, delayed disappearance, reappearance
Infantile reflexes
- Involuntary
- Only during infancy
- 3 types
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