Abstract:We tested the following hypotheses: individuals with severe knee osteoarthritis (KOA) would display a significantly decreased quadriceps rate of force development (RFD); and this decrease would be greater than the decrease in maximum quadriceps strength. Maximum isometric strength of the quadriceps was assessed in individuals with mild (Kellgren and Lawrence [K&L] grade 1–2) and severe KOA (K&L grade 3–4). RFD was analyzed at 200 ms from torque onset and normalized to body mass and maximum voluntary is… Show more
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