| 摘要 |
A color changing putty is provided for therapeutic exercise, comprising a silicone putty and a pigment such that when the putty is worked by the hands, the pigmented putty gives visual indication of color change after a certain length of time depending on the amount of the putty, the firmness of the putty, and the type of pigment used in the putty. A therapeutic exercise method is also provided using the color changing putty.
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