Center of Mass and Center of Gravity (basic concepts of biomechanics) Physiotherapy class
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summary of the video with the time for reference:
1.Gravity
-Downward pull of gravity on human body and objects
-Constant
-Always acts on the body
2.Center of Gravity
-Point of application of gravity on object or its center of mass
3.Center of mass
-Hypothetical segment where all the mass of object/segment appears to be concentrated
-In human body it is anterior to sacral vertebra
-changes with position and changes with motion
-midpoint in symmetrical objects and might not be at the midpoint in asymmetrical objects
3.Line of Gravity
-Gravitational Vector
-Acts vertically downward
#centreofmass #centreofgravity
