Voluntary Movements of Infancy

Voluntary Movements of Infancy PowerPoint PPT Presentation


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Voluntary Movements of Infancy

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1. Voluntary Movements of Infancy “Motor Milestones”

2. Voluntary Movement Disappearance of Reflexes 4th Week of Life First Types of Voluntary Movement Increase in Diameter of Nerves

3. Categorizing Voluntary Movements Gallahue (1989): Stability Locomotion Manipulation Keogh & Sugden (1985): Postural Control Locomotion Manual Control

4. Stability “Most fundamental aspect of learning to move” Shifts in relationships of body parts and compensatory movements What type of experiences should we provide?

5. Stability / Postural Control Head Control Body Control

6. Locomotion Develops in a predictable progression Value - exploration of environment Prone Locomotion Crawling- Creeping- Upright Locomotion Walking Predictable progression

7. Manipulation / Manual Control Reaching , grasping, and releasing First successful reach and grasp appx. 4th month Two phases of reaching Phase I Reaching Phase II Reaching

8. Manipulation / Manual Control Phase I Reaching (4mo) Reach and grasp simultaneous One-handed reaching Reach -visual initiation / no visual control Grasp -visual control

9. Manipulation / Manual Control Phase II Reaching (6mo) Differentiate reach and grasp Two handed reaching Reach is visually monitored throughout the movement Grasp is controlled with tactile senses

10. Manipulation / Manual Control Integration or Bimanual Control 6-8 mo Releasing with relative ease 18 mo

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