The result shows that the strength feature of knee joint, back and waist muscle can be evaluated based on the parameters of relative moment of various joints, acceleration time and angle of moment.

When your elderly relative needs to enter some sort of long-term care facility—a moment few parents or children approach without fear—what you would like is to have everything made clear.

"While it is not the only factor, women's pay relative to men's declines not just at the moment of first becoming a mother, but through most of the first child's childhood," the report said.