Can anybody help me to understand internal and external generation of movements. Is internal means conscious or voluntary? or is external means is a reflex?
Hi Mr. Elmas,
Look the papers that I send to you, certainly it can clarify your ideas. However, it's important to know the differences between the generation of the movements. In everyday life, we observed various exemples about this subject, i.e. to standing, sitting, maintining the equilibrium in unipodal stance or walking between different types of obstacles. Another important factor that you must observe it's the influence factors (fatigue muscular) which can modify the standard of generation of movement.
I hope this help you.
Dear Omar,
I am glad you got informative answers. Please also have a look at the work of Peter Redgrave and Elizabeth Torres about goal-directed and habitual control from the neurophysiological perspective (and clinical relevance).
Best wishes
Marta
http://www.ncbi.nlm.nih.gov/pubmed/20944662
http://www.ncbi.nlm.nih.gov/pubmed/22159100
Great answers have provided however I want contribute that externally generated movement can occur when there is pressure within the physical environment which compels the individual to move in a particular direction. A typical example is when there is a fire outbreak within ones immediate environment a normal person must make effort to escape from the danger. Such a movement middles between a reflex and willed action. The stimulus is so strong that the resultant movement is partly voluntary and involuntary.
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