Hi All,
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I am year one podiatry and last week I had my first biomechanics lecture on planes and axis. What at first I thought was very basic has both kept me awake at night and occupied my thoughts all weekend. I have gone for understanding them, to over thinking them and losing understanding... and now I have made my peace with them.. but with the following conclusions.
Planes and axis give a much generalised picture of observed motion from an external perspective; they do however fail to present an accurate picture of the internal motion when the surfaces of the bones articulate at the joint/s involved. Furthermore if we were to look closely into a joints motion we would always find (even if only in the smallest of margins) that when any two or more joints articulate together there is always two or three axis and planes involved. .. and why...because no joint has an absolute flat or perfectly round surface. This being said, the usefulness of biomechanics is limited to pinpointing abnormal motion on a large enough degree to be observed by the eye/motion capturing software...or pinpointing at what degree in a movement a problem such as pain is felt, thus helping give a direction for further investigations- such as x-ray.
I would love to have some feedback on my ideas, however right or wrong they may be. All debate will provide me good service and increase my understanding of biomechanics... :)
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