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. 2019 Mar 26;10:315. doi: 10.3389/fphys.2019.00315

FIGURE 2.

FIGURE 2

Sex Differences in PPTs. Pressure Pain Threshold before and after Exercise in Men and Women at the Nailbed (A) and Abdomen (B). (A) Women did not demonstrate a change in PPT at the nailbed following fatiguing trunk flexor exercise, while men demonstrated a decrease in PPT after exercise (hyperalgesia). Men had higher PPTs than women at the nailbed prior to exercise. (B) Both men and women demonstrated EIH at the superior rectus abdominis site following fatiguing trunk flexor exercise. Men and women had similar PPTs at the abdomen both before and after exercise. indicates p < 0.05 (time effect).