We investigated the effects of far‐infrared radiation (FIR) lamp therapy on changes in muscle damage and performance parameters following six sets of 15‐min Loughborough intermittent shuttle test (LIST), a simulated soccer match. Twenty‐four elite female soccer players (20–24 y) were assigned into FIR or sham treatment group (n = 12/group). The participants received a 60‐min FIR or sham treatment (30 min per muscle) over knee extensors (KE) and flexors (KF) at 2, 25, 49, 73, and 97 h post‐LIST. Maximal voluntary isometric contraction (MVC) torque and muscle soreness of the KE and KF, plasma creatine kinase (CK) activity as muscle damage markers, and several performance parameters including countermovement jump (CMJ) and Yo‐Yo intermittent recovery test level 1 (YYIR1) were measured before and 1, 24, 48, 72, 96, and 120 h post‐LIST. Changes in the measures were compared between groups by a mixed‐design two‐way ANOVA. The running distance covered during LIST and changes in the measures at 1‐h post‐LIST (before the treatment) were similar (p = 0.118–0.371) between groups. Changes in muscle damage markers at 24–120 h post‐LIST were smaller (p < 0.05, η2 = 0.208–0.467) for the FIR (e.g., MVC‐KE torque decrease at 48‐h post‐LIST: −1 ± 2%, peak KE soreness: 16 ± 10 mm, peak CK: 172 ± 42 IU/L) than sham group (−11 ± 9%, 33 ± 7 mm, 466 ± 220 IU/L, respectively). Performance parameters recovered faster (p < 0.05, η2 = 0.142–0.308) to baseline for the FIR (e.g., decreases at 48‐h post‐LIST; CMJ: 0 ± 1%, YYIR1: 0 ± 1%) than sham group (−6 ± 2%, −9 ± 6%, respectively). These results suggest that the FIR lamp therapy was effective for enhancing recovery from a soccer match.

中文翻译：

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远红外辐射灯治疗对精英女足球运动员模拟足球比赛恢复的影响

我们在六组 15 分钟拉夫堡间歇性穿梭测试 (LIST)（一场模拟足球比赛）后，研究了远红外辐射 (FIR) 灯疗法对肌肉损伤和表现参数变化的影响。 24 名精英女足球运动员（20-24 岁）被分配到 FIR 或假治疗组（n= 12/组）。参与者在 LIST 后 2、25、49、73 和 97 小时对膝关节伸肌 (KE) 和屈肌 (KF) 接受 60 分钟的 FIR 或假治疗（每块肌肉 30 分钟）。 KE 和 KF 的最大自主等长收缩 (MVC) 扭矩和肌肉酸痛、作为肌肉损伤标记的血浆肌酸激酶 (CK) 活性，以及​​包括反向运动跳跃 (CMJ) 和 Yo-Yo 间歇性恢复测试 1 级 (YYIR1) 在内的多个性能参数）在 LIST 之前和之后 1、24、48、72、96 和 120 小时进行测量。通过混合设计双向方差分析比较组间测量值的变化。 LIST 期间的跑步距离和 LIST 后 1 小时（治疗前）的测量变化相似（p= 0.118–0.371) 组间。 LIST 后 24-120 小时肌肉损伤标志物的变化较小（p< 0.05，η2= 0.208–0.467) 对于 FIR（例如，LIST 后 48 小时时 MVC-KE 扭矩下降：−1 ± 2%，KE 酸痛峰值：16 ± 10 mm，CK 峰值：172 ± 42 IU/L）假手术组（分别为−11 ± 9%、33 ± 7 mm、466 ± 220 IU/L）。性能参数恢复更快（p< 0.05，η2= 0.142–0.308）到 FIR 基线（例如，在 LIST 后 48 小时下降；CMJ：0 ± 1%，YYIR1：0 ± 1%）比假手术组（−6 ± 2%，−9 ± 6） ％， 分别）。这些结果表明远红外线灯疗法对于促进足球比赛的恢复有效。