Question

How did the instructor "build a swimmer" out of Douglas?

Answer 1

The instructor first put a belt around him to which a rope was attached. This rope went through a pulley that ran on an overhead cable. He held on to the end of the rope, and Douglas swam like this .for weeks. ... Thus, bit by bit, the instructor built a swimmer out of Douglas.


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Answer 2

Hey there!!!

First of all, the instructor put a belt around Douglas. A rope attached to the belt went through a pulley that ran on overhead cable. The instructor held on to the end of the rope, and they went back and forth- hour after hour, day after day, week after week. Then the instructor taught Douglas to put his face under water and exhale, and to raise his nose and inhale. 
Douglas repeated the exercise hundreds of times. Next, the instructor held Douglas at the side of the pool and had him kick with his legs.
He did just that for weeks altogether.
Finally, Douglas was able to command his legs, which firstly refused to work.
This is how, piece by piece, the instructor built a swimmer out of Douglas. When the instructor had perfected each piece, he put them together into an integral whole.

Hope it helps!!!