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. 2020 Dec 23;268(5):1738–1746. doi: 10.1007/s00415-020-10366-9

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© The Author(s) 2020

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Fig. 2 — Prototype of the Portable Fixed Dynamometer. A rigid framework with two holders for the MicroFET dynamometers (*) was created to remove the need for an examiner when evaluating quadriceps strength. With the vertical arm (a), the height was adjusted to prevent the feet from touching the ground. The diagonal arm (b) enabled adjustment of the dynamometer pad to 1 centimeter proximal to the midline between the malleoli