Temporal dynamics of muscle strength recovery following acute cold-water immersion: a systematic review and meta-analysis
Zhu Y, Yang L, Liu T, Yao F, Wang Q, Yi Z
PeerJ · 0 citas
Cómo se estudió
- Diseño
- Metaanálisis (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación independiente
Según la declaración de financiación del texto completo.
Publicación
- Publicado
- 2026-07-16 · PeerJ · vol. 14 · pág. e21537
- Editorial
- PeerJ, Inc.
- Citado
- 0 citas · más que el 58% de estudios similares · 0.0× el promedio de su campo
- Referencias
- 72 trabajos
- Acceso
- Acceso abierto (revista) · CC-BY
- Áreas de investigación
- Exercise and Physiological Responses · Cardiovascular and exercise physiology · Sports injuries and prevention
- Palabras clave
- Isometric exercise, Confidence interval, Randomized controlled trial, Meta-analysis, Cochrane Library, Grading (engineering), Visual analogue scale, Muscle strength
- MeSH
- muscle, skeletal, humans, immersion, time factors, muscle strength, randomized controlled trials as topic, cold temperature, myalgia, post-exercise recovery, post-exercise recovery techniques
6 autores
- Y U N L O N Zhu🇨🇳Capital University of Physical Education and Sports
- Lele Yang🇨🇳Capital University of Physical Education and Sports
- Tao Liu🇨🇳Capital University of Physical Education and Sports
- Fuya Yao🇨🇳Capital University of Physical Education and Sports
- Qilong Wang🇨🇳Capital University of Physical Education and Sports
- Zheng Yi🇨🇳Capital University of Physical Education and Sports
Resumen
El texto original del estudio, en el idioma en que se publicó.
Objective
This study aimed to investigate the time-dependent effects of a single bout of acute cold-water immersion (CWI) on the recovery of post-exercise maximal muscle strength, explosive power, biochemical markers of muscle damage, and subjective pain, with the specific goal of determining the optimal temporal window for its practical application.
Methods
A systematic search was conducted in PubMed, Web of Science, Cochrane Library, and Embase databases for studies published from inception to September 1, 2025. Randomized controlled trials (RCTs) comparing a single bout of acute CWI with passive recovery regarding their effects on post-exercise strength recovery in healthy individuals were included. Methodological quality, risk of bias, and certainty of evidence were assessed using the Physiotherapy Evidence Database (PEDro) scale, the Risk of Bias 2 (RoB 2) tool, and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach, respectively. Statistical analysis was performed using Stata-MP 18.0 software.
Results
Twenty-two RCTs were included. For maximal voluntary isometric contraction (MVIC), no significant overall or time-dependent effects were observed (g = 0.08, 95% confidence interval (CI) [-0.11-0.26], p = 0.42; moderate certainty). For countermovement jump (CMJ) , the overall effect was not significant (g = 0.01, 95% CI [-0.25-0.28], p = 0.92), but a significant subgroup difference across time points was detected (p p = 0.01) that was no longer evident by 24-48 h. For visual analog scale (VAS), CWI was associated with lower overall soreness scores (g = -0.58, 95% CI [-0.99 to -0.16], p = 0.01), although heterogeneity was substantial and certainty was very low. For creatine kinase (CK), the initial pooled effect suggested a small reduction (g = -0.43, 95% CI [-0.67 to -0.19], p < 0.01; low certainty), but this effect was attenuated to non-significance after trim-and-fill adjustment (g = -0.16, 95% CI [-0.44-0.12]). Cluster-robust sensitivity analyses preserved the direction of CK and VAS effects but attenuated their statistical significance.
Conclusion
Acute CWI exerts outcome-specific effects on post-exercise recovery. It showed no meaningful effect on MVIC, transiently impaired immediate explosive performance, and may reduce subjective soreness, whereas the apparent CK benefit was not robust after adjustment for publication bias. The CK and VAS findings should be interpreted cautiously because heterogeneity, publication bias, and dependency-adjusted sensitivity analyses weakened the certainty of inference. Acute CWI may be most relevant when short-term symptom control and next-day recovery readiness are prioritized, but its timing should be considered carefully when another power-dependent task is scheduled soon after exercise.
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