OBJECTIVE The goals of this study were to establish whether mechanical pressure pain, short-term memory recall of a painful stimulus, or long-term memory of a prior painful lower extremity injury alters isometric muscle strength and whether there was a difference in responses between participants with and without a previous history of injury. DESIGN 59 pain-free participants (29 with previous injury and 30 without) participated in this study. Tibialis anterior isometric muscle strength was compared pre and post-noxious mechanical stimulus with instructions to recall pain (short-term and long-term). RESULTS Short-term and long-term pain recall produced a significant reduction in muscle strength (short-term: F(1,57) = 160.472, p
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