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<p>The aim of this study was to determine whether a low-intensity exercise may influence outcomes of skin temperature measured by infrared thermography (IRT) in the presence or not of delayed-onset muscle soreness (DOMS). Seventeen participants were recruited (12 men, age 24 ± 6 years, body mass 72.6 ± 12.5&#xa0;kg, and height 1.8 ± 0.1&#xa0;m). They visited the laboratory on two days with 48&#xa0;h in between. On day 1, participants performed a 10-minute low-intensity treadmill walk followed by a squat protocol to induce DOMS (10 sets of 10 repetitions at 70% of body mass). On day 2, when participants reported DOMS, they returned to the laboratory and completed another 10-minute low-intensity treadmill walk. On each day, quadriceps DOMS was assessed using a numerical pain rating scale, and skin temperature was measured using IRT on both days. The skin temperature was higher before (<i>p</i> = 0.01; d=-0.44) and after walking (<i>p</i> = 0.03; d=-0.39) on the second day when significant DOMS was reported by the participants. However, skin temperature was not altered by light walking prior to the measurements on day 2. In conclusion, low-intensity walking did not induce detectable changes in skin temperature in the quadriceps before or after DOMS, suggesting that that acute, low-intensity exercise is unlikely to be a relevant confounder or enhancer of IRT-based assessment of DOMS.</p>

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Impact of a low-intensity exercise prior to infrared thermography measurements on skin temperature under conditions of muscle soreness

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月27日

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  • Álvaro Sosa Machado,
  • Willian da Silva,
  • Andressa Lemes Lemos,
  • Joaquín Martín Marzano-Felisatti,
  • Carlos Sendra Perez,
  • Inmaculada Aparicio-Aparicio,
  • Felipe P. Carpes,
  • Jose Ignacio Priego-Quesada

摘要

The aim of this study was to determine whether a low-intensity exercise may influence outcomes of skin temperature measured by infrared thermography (IRT) in the presence or not of delayed-onset muscle soreness (DOMS). Seventeen participants were recruited (12 men, age 24 ± 6 years, body mass 72.6 ± 12.5 kg, and height 1.8 ± 0.1 m). They visited the laboratory on two days with 48 h in between. On day 1, participants performed a 10-minute low-intensity treadmill walk followed by a squat protocol to induce DOMS (10 sets of 10 repetitions at 70% of body mass). On day 2, when participants reported DOMS, they returned to the laboratory and completed another 10-minute low-intensity treadmill walk. On each day, quadriceps DOMS was assessed using a numerical pain rating scale, and skin temperature was measured using IRT on both days. The skin temperature was higher before (p = 0.01; d=-0.44) and after walking (p = 0.03; d=-0.39) on the second day when significant DOMS was reported by the participants. However, skin temperature was not altered by light walking prior to the measurements on day 2. In conclusion, low-intensity walking did not induce detectable changes in skin temperature in the quadriceps before or after DOMS, suggesting that that acute, low-intensity exercise is unlikely to be a relevant confounder or enhancer of IRT-based assessment of DOMS.