Raising arms overhead increases the center of mass of the body due to the redistribution of mass towards the upper body. Conversely, a bilateral amputation of the legs results in a decrease in the center of mass as the lower mass is removed. The center of mass is defined as the average location of an object's mass, and changes in mass distribution directly affect its position. This principle can be illustrated through the analogy of moving bricks in a pile, where shifting mass alters the center of mass accordingly.
PREREQUISITESStudents of physics, biomechanics researchers, physical therapists, and anyone interested in the effects of body mechanics on balance and stability.
A helpful way to think of it might be as the average location of the object's mass. (Imagine the object being composed of a bunch of small pieces.) For something uniform, that "average" location would be right in the middle.thegirlchild said:the point in the exact center of an object's mass
Right. Just like moving some of the bricks in the pile to the right results in the center of mass moving to the right, raising part of your mass by lifting your arms results in a raising of your center of mass.thegirlchild said:higher