FIELD: sports.
SUBSTANCE: invention relates to medical equipment, gymnastic inventory and is designed in particular for training fingers. The fist expander contains a handle and plates. At that the handles are interconnected through a pair of hinged consistently long and short springy plates, and the difference between long and short plates constitutes the distance of movement between the handles. The plates can be made concave or convex.
EFFECT: improved efficiency of the training process.
3 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2457884C1 |
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|
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|
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|
RU2536197C2 |
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|
RU2457883C1 |
