| 摘要 |
<P>PROBLEM TO BE SOLVED: To conduct fine adjustment to the stance width by providing side plates at both ends of a base plate, and composing the base plate to be extensible along the length. Ž<P>SOLUTION: The checking device comprises the base plate 1 in a laterally long rectangular form, the side plates 2 and 2a provided at both end parts of the base plate 1, and checking plates 3 and 3a provided on the upper end side of the side plates 2 and 2a. The checking plates 3 and 3a are long in the width direction of the side plates 2 and 2a, and the tip parts are projected from one side part of the side plates 2 and 2a. The user stands in front of the sway/thrust checking device, and only the tip parts of the checking plates 3 and 3a are disposed on the outer side of the knees of the user. The base plate 1 or the side plates 2 does not get in the way when the interval between the checking plates 3 and 3a and the knees is adjusted. Part of the outer edge side of the feet can be positioned on the outer side of the outer side surfaces of the checking plates 3 and 3a, for example. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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