three sentences

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windcolor - 31 Dec 2006 13:51 GMT

I don't know whether the three sentences below are right or not. Anyone can help me to correct them.

1)
The researchers found that rising from a lower chair needed to exhaust more physiological cost, but even rising might not be completed successfully.
2)
Such movement as strengthening knees appeared before other movements.
3)
The time to rise or sit is longer in the elderly subjects than in the young subjects. (or The time of the elderly subjects to rise or sit is longer than that of the young subjects)

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Mike Lyle - 31 Dec 2006 15:20 GMT

> I don't know whether the three sentences below are right or not. Anyone can help me to correct them.

"Can anybody help me to correct them?" Or "Can anybody help me by
correcting them?"

Others will have other ideas, which may be better than mine; but here
are some suggestions.

> 1)
> The researchers found that rising from a lower chair needed to exhaust more physiological cost, but even rising might not be completed successfully.

This might read "The researchers found that rising, or even trying to
rise, from a lower chair was more difficult." I don't know whether you
are concerned with the use of energy, or with strain on the muscles and
joints. "Physiological", of course, doesn't mean the same as
"physical".

> 2)
> Such movement as strengthening knees appeared before other movements.

I don't understand this. Do you perhaps mean something like "The knees
needed strengthening earlier than did other joints"? Or "Weakness and
poor mobility appeared in the knees earlier than in other joints"?

> 3)
> The time to rise or sit is longer in the elderly subjects than in the young subjects. (or The time of the elderly subjects to rise or sit is longer than that of the young subjects)

"The elderly take longer to rise or sit than do the young." But it's
correct to use "subjects" if you need to limit your statement to the
subjects of the research, rather than generalizing about old people as
a whole.

I hope this research wasn't too expensive!