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Flow chart for the animal study. Abbreviations: 1D, one-dosage dry needling; 5D, five-dosage dry needling; BF, biceps femoris; Gastrocnemius, GAS; MTrS, myofascial trigger spots, SP, substance P; s1D, sham one-dosage dry needling; and s5D, sham five-dosage dry needling.
