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Support Your Recovery Needs (SYRN) – a systemic approach to improve sport performance


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American College of Sports Medicine (2009) American College of Sports Medicine position stand. Progression models in resistance training for healthy adults. Med. Sci. Sports Exerc., 41(3): 687–708. DOI: 10.1249/MSS.0b013e3181915670 Search in Google Scholar

Adamczyk J.G., Krasowska I., Boguszewski D., Reaburn P. (2016) The use of thermal imaging to assess the effectiveness of ice massage and cold-water immersion as methods for supporting post-exercise recovery. J. Therm. Biol., 60: 20–25. DOI: 10.1016/j.jtherbio.2016.05.006 Search in Google Scholar

Adamczyk J.G., Gryko K., Boguszewski D. (2020) Does the type of foam roller influence the recovery rate, thermal response and DOMS prevention? PLoS One, 15(6): e0235195. DOI: 10.1371/journal.pone.0235195 Search in Google Scholar

Afonso J., Clemente F.M., Nakamura F.Y., Morouço P., Sarmento H., Inman R.A., Ramirez-Campillo R. (2021) The Effectiveness of Post-exercise Stretching in Short-Term and Delayed Recovery of Strength, Range of Motion and Delayed Onset Muscle Soreness: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Front. Physiol., 12: 677581. DOI: 10.3389/fphys.2021.677581 Search in Google Scholar

Astokorki A.H.Y., Mauger A.R. (2017) Transcutaneous electrical nerve stimulation reduces exercise-induced perceived pain and improves endurance exercise performance. Eur. J. App. Physiol., 117(3): 483–492. DOI: 10.1007/s00421-016-3532-6 Search in Google Scholar

Atkins R., Lam W.K., Scanlan A.T., Beaven C.M., Driller M. (2020) Lower-body compression garments worn following exercise improves perceived recovery but not subsequent performance in basketball athletes. J. Sports Sci., 38(9): 961–969. DOI: 10.1080/02640414.2020.1737387 Search in Google Scholar

Avci P., Gupta A., Sadasivam M., Vecchio D., Pam Z., Hamblin M.R. (2013) Low-level laser (light) therapy (LLLT) in skin: stimulating, healing, restoring. Semin. Cutan. Med. Surg., 32(1): 41–52. DOI: 10.12788/j. sder.2013.0099 Search in Google Scholar

Behm D.G., Blazevich A.J., Kay A.D., McHugh M. (2016) Acute effects of muscle stretching on physical performance, range of motion, and injury incidence in healthy active individuals: a systematic review. Appl. Physiol. Nutr. Metab., 41(1): 1–11. DOI: 10.1139/apnm-2015-0235 Search in Google Scholar

Bieuzen F., Bleakley C.M., Costello J.T. (2013) Contrast water therapy and exercise induced muscle damage: a systematic review and meta-analysis. PLoS One, 8(4): e62356. DOI: 10.1371/journal.pone.0062356 Search in Google Scholar

Bleakley C.M., McDonough S.M., MacAuley D.C., Bjordal J. (2006) Cryotherapy for acute ankle sprains: a randomised controlled study of two different icing protocols. Br. J. Sports Med., 40(8): 700–705. DOI: 10.1136/bjsm.2006.025932 Search in Google Scholar

Borg G.A. (1982) Psychophysical bases of perceived exertion. Med. Sci. Sports Exerc., 14(5): 377–381. Search in Google Scholar

Borg G. (1990) Psychophysical scaling with applications in physical work and the perception of exertion. Scand. J. Work Environ. Health, 16(Suppl 1): 55–58. Search in Google Scholar

Botonis P.G., Koutouvakis N., Toubekis A.G. (2021) The impact of daytime napping on athletic performance – A narrative review. Scand. J. Med. Sci. Sports, 31(12): 2164–2177. DOI: 10.1111/sms.14060 Search in Google Scholar

Breivik G. (2013) Zombie-like or superconsciousnes?: A phenomenological and conceptual analysis of consciousness in elite sport. J. Philos. Sport, 40(1): 85–106. DOI: 10.1080/00948705.2012.725890 Search in Google Scholar

Burke L.M., Hawley J.A., Wong S.H., Jeukendrup A.E. (2011) Carbohydrates for training and competition. J. Sports Sci., 29(Suppl 1): S17–S27. DOI: 10.1080/02640414.2011.585473. Search in Google Scholar

Byrne C., Eston R. (2002) The effect of exercise-induced muscle damage on isometric and dynamic knee extensor strength and vertical jump performance. J. Sports Sci., 20(5): 417–425. Search in Google Scholar

Coutts A.J., Reaburn P. (2008) Monitoring changes in rugby league players’ perceived stress and recovery during intensified training. Percept. Mot. Skills, 106(3): 904–916. DOI: 10.2466/pms.106.3.904-916 Search in Google Scholar

Cronin J.B., Hansen K.T. (2005) Strength and power predictors of sports speed. J. Strength Cond. Res., 19(2): 349–357. DOI: 10.1519/14323.1 Search in Google Scholar

Cuesta-Vargas A.I., Travé-Mesa A., Vera-Cabrera A., Cruz-Terrón D., Castro-Sánchez A.M., Fernández-de-las-Peñas C., Arroyo-Morales M. (2013) Hydrotherapy as a recovery strategy after exercise: a pragmatic controlled trial. BMC Complement Altern. Med., 13: 180. DOI: 10.1186/1472-6882-13-180 Search in Google Scholar

Davis H.L., Alabed S., Chico T.J.A. (2020) Effect of sports massage on performance and recovery: a systematic review and meta-analysis. BMJ Open Sport Exerc. Med., 6(1): e000614. DOI: 10.1136/bmjsem-2019-000614 Search in Google Scholar

Dong J.G. (2016) The role of heart rate variability in sports physiology. Exp. Ther. Med., 11(5): 1531–1536. DOI: 10.3892/etm.2016.3104 Search in Google Scholar

Dupuy O., Douzi W., Theurot D., Bosquet L., Dugué B. (2018) An Evidence-Based Approach for Choosing Post-exercise Recovery Techniques to Reduce Markers of Muscle Damage, Soreness, Fatigue, and Inflammation: A Systematic Review With Meta-Analysis. Front. Physiol., 9: 403. DOI: 10.3389/fphys.2018.00403 Search in Google Scholar

Fitzgerald M., Bartlett C.A., Payne S.C., Hart N.S., Rodger J., Harvey A.R., Dunlop S.A. (2010) Near infrared light reduces oxidative stress and preserves function in CNS tissue vulnerable to secondary degeneration following partial transection of the optic nerve. J. Neurotrauma, 27(11): 2107–2119. DOI: 10.1089/neu.2010.1426 Search in Google Scholar

Foster C., Florhaug J.A., Franklin J., Gottschall L., Hrovatin L.A., Parker S., Doleshal P., Dodge C. (2001) A new approach to monitoring exercise training. J. Strength Cond. Res., 15(1): 109–115. Search in Google Scholar

Fusco A., Sustercich W., Edgerton K., Cortis C., Jaime S.J., Mikat R.P., Porcari J.P., Foster C. (2020) Effect of Progressive Fatigue on Session RPE. J. Funct. Morphol., 5(1): 15. DOI: 10.3390/jfmk5010015 Search in Google Scholar

Gabbett T.J. (2016) The training-injury prevention paradox: should athletes be training smarter and harder? Br. J. Sports Med., 50(5): 273–280. Search in Google Scholar

Goldstein ER., Stout J.R., Wells A.J., Antonio J., Vasenina E., Fukuda D.H. (2023) Carbohydrate-Protein drink is effective for restoring endurance capacity in masters class athletes after a two-Hour recovery. J. Int. Soc. Sports Nutr., 20(1): 2178858. DOI: 10.1080/15502783.2023.2178858 Search in Google Scholar

Gonzalez J.T., Wallis G.A. (2021) Carb-conscious: the role of carbohydrate intake in recovery from exercise. Curr. Opin. Clin. Nutr. Metab. Care, 24(4): 364–371. DOI: 10.1097/MCO.0000000000000761 Search in Google Scholar

Guo J., Li L., Gong Y., Zhu R., Xu J., Zou J., Chen X. (2017) Massage Alleviates Delayed Onset Muscle Soreness after Strenuous Exercise: A Systematic Review and Meta-Analysis. Front. Physiol., 8: 747. DOI: 10.3389/fphys.2017.00747 Search in Google Scholar

Haddad M., Stylianides G., Djaoui L., Dellal A., Chamari K. (2017) Session-RPE Method for Training Load Monitoring: Validity, Ecological Usefulness, and Influencing Factors. Front. Neurosci., 11: 612. DOI: 10.3389/fnins.2017.00612 Search in Google Scholar

Haller N., Hübler E., Stöggl T., Simon, P. (2022) Evidence-Based Recovery in Soccer – Low-Effort Approaches for Practitioners. J. Hum. Kinet., 82: 75–99. DOI: 10.2478/hukin-2022-0082 Search in Google Scholar

Halson S.L. (2011) Does the time frame between exercise influence the effectiveness of hydrotherapy for recovery?. Int. J. Sports Physiol. Perform., 6(2): 147–159. DOI: 10.1123/ijspp.6.2.147 Search in Google Scholar

Halson S.L. (2014) Sleep in elite athletes and nutritional interventions to enhance sleep. Sports Med., 44(Suppl 1): S13-S23. doi: 10.1007/s40279-014-0147-0 Search in Google Scholar

Halson S.L. (2014) Monitoring training load to understand fatigue in athletes. Sports Med., 44(Suppl 2): S139-S147. DOI: 10.1007/s40279-014-0253-z Search in Google Scholar

Hamblin M.R. (2016) Mechanisms and applications of the anti-inflammatory effects of photobiomodulation. AIMS Biophysics, 4(3): 337–361. DOI: 10.3934/biophy.2016.3.337 Search in Google Scholar

Hemmings B., Smith M., Graydon J., Dyson R. (2000) Effects of massage on physiological restoration, perceived recovery, and repeated sports performance. Br. J. Sports Med., 34(2): 109–115. DOI: 10.1136/bjsm.34.2.109 Search in Google Scholar

Hotfiel T., Swoboda B., Krinner S., Grim C., Engel-hardt M., Uder M., Heiss R.U. (2017) Acute Effects of Delayedral Thigh Foam Rolling on Arterial Tissue Per-fusion Determined by Spectral Doppler and Power Doppler Ultrasound. J. Strength Cond., 31(4): 893–900. DOI: 10.1519/JSC.0000000000001641 Search in Google Scholar

Howatson G., van Someren K.A. (2008) The prevention and treatment of exercise-induced muscle damage. Sports Med., 38(6): 483–503. DOI: 10.2165/00007256-200838060-00004 Search in Google Scholar

Hsouna H., Boukhris O., Abdessalem R., Trabelsi K., Ammar A., Shephard R J., Chtourou H. (2019) Effect of different nap opportunity durations on short-term maximal performance, attention, feelings, muscle soreness, fatigue, stress and sleep. Physiol. Behav., 211: 112673. DOI: 10.1016/j.physbeh.2019.112673 Search in Google Scholar

Isenmann E., Blume F., Bizjak D.A., Hundsdörfer V., Pagano S., Schibrowski S., Simon W., Schmandra L., Diel P. (2019) Comparison of Pro-Regenerative Effects of Carbohydrates and Protein Administrated by Shake and Non-Macro-Nutrient Matched Food Items on the Skeletal Muscle after Acute Endurance Exercise. Nutrients, 11(4): 744. DOI: 10.3390/nu11040744 Search in Google Scholar

Jentjens R., Jeukendrup A. (2003) Determinants of post-exercise glycogen synthesis during short-term recovery. Sports Med., 33(2): 117–144. DOI: 10.2165/00007256-200333020-00004 Search in Google Scholar

Jiménez Morgan S., Molina Mora J.A. (2017) Effect of Heart Rate Variability Biofeedback on Sport Performance, a Systematic Review. Appl. Psychophysiol., 42(3): 235–245. DOI: 10.1007/s10484-017-9364-2 Search in Google Scholar

Karu T.I. (2010) Mitochondrial signaling in mammalian cells activated by red and near-IR radiation. Photochem. Photobiol., 86(5): 1091–1099. DOI: 10.1111/j.1751-1097.2010.00739.x Search in Google Scholar

Kellmann M. (2010) Preventing overtraining in athletes in high-intensity sports and stress/recovery monitoring. Scand J Med Sci Sports, 20(Suppl 2): 95–102. DOI: 10.1111/j.1600-0838.2010.01192.x Search in Google Scholar

Kellmann M., Bertollo M., Bosquet L., Brink M., Coutts A.J., Duffield R., Erlacher D., Halson S.L., Heck-steden A., Heidari J., Kallus K.W., Meeusen R., Mujika I., Robazza C., Skorski S., Venter R., Beckmann J. (2018) Recovery and Performance in Sport: Consensus Statement. Int. J. Sports Physiol. Perform., 13(2): 240–245. DOI: 10.1123/ijspp.2017-0759 Search in Google Scholar

Kentta G., Hassmen P. (1998) Overtraining and recovery. Sports Med., 26(1): 1–16. DOI: 10.2165/00007256-199826010-00001 Search in Google Scholar

Kirmizigil B., Chauchat J.R., Yalciner O., Iyigun G., Angin E., Baltaci G. (2019) The Effectiveness of Kinesio Taping in Recovering From Delayed Onset Muscle Soreness: A Crossover Study. J. Sport Rehabil., 29(4): 385–393. DOI: 10.1123/jsr.2018-0389 Search in Google Scholar

Kraemer W.J., Ratamess N.A., Nindl B.C. (2017) Recovery responses of testosterone, growth hormone, and IGF-1 after resistance exercise. J. Appl. Physiol. (Bethesda, Md.: 1985), 122(3): 549–558. DOI: 10.1152/japplphysiol.00599.2016 Search in Google Scholar

Lea J.W.D., O’Driscoll J.M., Hulbert S., Scales J., Wiles J.D. (2022) Convergent Validity of Ratings of Perceived Exertion During Resistance Exercise in Healthy Participants: A Systematic Review and Meta-Analysis. Sports Med. Open, 8: 2. DOI: 10.1186/s40798-021-00386-8 Search in Google Scholar

Loch F., Hof Zum Berge A., Ferrauti A., Meyer T., Pfeiffer M., Kellmann M. (2020) Acute Effects of Mental Recovery Strategies After a Mentally Fatiguing Task. Front. Psychol., 11: 558856. DOI: 10.3389/fpsyg.2020.558856 Search in Google Scholar

Lovato N., Lack L. (2010) The effects of napping on cognitive functioning. Prog. Brain Res., 185: 155–166. DOI: 10.1016/B978-0-444-53702-7.00009-9 Search in Google Scholar

MacDonald G.Z., Button D.C., Drinkwater E.J., Behm D.G. (2014) Foam rolling as a recovery tool after an intense bout of physical activity. Med. Sci. Sports Exerc., 46(1): 131–142. DOI: 10.1249/MSS.0b013e3182a123db Search in Google Scholar

Mednick S.C., Nakayama K., Stickgold R. (2003) Sleep-dependent learning: a nap is as good as a night. Nat. Neurosci., 6(7): 697–698. DOI: 10.1038/nn1078 Search in Google Scholar

Meeusen R., Duclos M., Foster C., Fry A., Gleeson M., Nieman D., Raglin J., Rietjens G., Steinacker J., Urhausen A., European College of Sport Science, & American College of Sports Medicine (2013) Prevention, diagnosis, and treatment of the overtraining syndrome: joint consensus statement of the European College of Sport Science and the American College of Sports Medicine. Med. Sci. Sports Exerc., 45(1): 186–205. DOI: 10.1249/MSS.0b013e318279a10a Search in Google Scholar

Mero A., Tornberg J., Mäntykoski M., Puurtinen R. (2015) Effects of far-infrared sauna bathing on recovery from strength and endurance training sessions in men. Spring-erPlus, 4: 321. DOI: 10.1186/s40064-015-1093-5 Search in Google Scholar

Morris D., Jones D., Ryan H., Ryan C.G. (2013) The clinical effects of Kinesio® Tex taping: A systematic review. Physiother. Theory Pract., 29(4): 259–270. DOI: 10.3109/09593985.2012.731675 Search in Google Scholar

Mujika I., Halson S., Burke L.M., Balagué G., Farrow D. (2018) An Integrated, Multifactorial Approach to Periodization for Optimal Performance in Individual and Team Sports. Int. J. Sports Physiol. Perform., 13(5): 538–561. DOI: 10.1123/ijspp.2018-0093 Search in Google Scholar

Naeser M.A., Zafonte R., Krengel M.H., Martin P.I., Frazier J., Hamblin M.R., Knight J.A., Meehan W.P., 3rd, Baker E.H. (2014) Significant improvements in cognitive performance post-transcranial, red/near-infrared light-emitting diode treatments in chronic, mild traumatic brain injury: open-protocol study. J. Neurotrauma, 31(11): 1008–1017. DOI: 10.1089/neu.2013.3244 Search in Google Scholar

Okamoto T., Masuhara M., Ikuta K. (2014) Acute effects of self-myofascial release using a foam roller on arterial function. J. Strength Cond., 28(1): 69–73. DOI: 10.1519/JSC.0b013e31829480f5 Search in Google Scholar

Ortiz R.O. Jr., Sinclair Elder A.J., Elder C.L., Dawes J.J. (2019) A Systematic Review on the Effectiveness of Active Recovery Interventions on Athletic Performance of Professional, Collegiate- and Competitive-Level Adult Athletes. J. Strength Cond., 33(8): 2275–2287. DOI: 10.1519/JSC.0000000000002589 Search in Google Scholar

Paley C.A., Wittkopf P.G., Jones G., Johnson M.I. (2021) Does TENS Reduce the Intensity of Acute and Chronic Pain? A Comprehensive Appraisal of the Characteristics and Outcomes of 169 Reviews and 49 Meta-Analyses. Medicina (Kaunas, Lithuania), 57(10): 1060. DOI: 10.3390/medicina57101060 Search in Google Scholar

Peake J.M., Neubauer O., Walsh N.P., Simpson R.J. (2017) Recovery of the immune system after exercise. J. Appl. Physiol., 122(5): 1077–1087. DOI: 10.1152/japplphysiol.00622.2016 Search in Google Scholar

Peake J.M. (2019) Recovery after exercise: what is the current state of play? Current Opinion in Physiology, 10: 17–26. DOI: 10.1016/j.cophys.2019.03.007 Search in Google Scholar

Peake J.M., Markworth J.F., Cumming K.T., Aas S.N., Roberts L.A., Raastad T., Cameron-Smith D., Figueiredo V.C. (2020) The Effects of Cold Water Immersion and Active Recovery on Molecular Factors That ReguDelayed Growth and Remodeling of Skeletal Muscle After Resistance Exercise. Front. Physiol., 11: 737. DOI: 10.3389/fphys.2020.00737 Search in Google Scholar

Pernigoni M., Conte D., Calleja-González J., Boccia G., Romagnoli M., Ferioli D. (2022) The Application of Recovery Strategies in Basketball: A Worldwide Survey. Front. Physiol., 13: 887507. DOI: 10.3389/fphys.2022.887507 Search in Google Scholar

Pind R., Hofmann P., Mäestu E., Vahtra E., Purge P., Mäestu J. (2021) Increases in RPE Rating Predict Fatigue Accumulation Without Changes in Heart Rate Zone Distribution After 4-Week Low-Intensity High-Volume Training Period in High-Level Rowers. Front. Physiol., 12: 735565. DOI: 10.3389/fphys.2021.735565 Search in Google Scholar

Powell J., DiLeo T., Roberge R., Coca A., Kim J. (2015) Salivary and serum cortisol levels during recovery from intense exercise and prolonged, moderate exercise. Biol. Sport, 32(2): 91–95. DOI: 10.5604/20831862.1134314 Search in Google Scholar

Querido S.M., Radaelli R., Brito J., Va, J.R., Freitas S.R. (2022) Analysis of Recovery Methods’ Efficacy Applied up to 72 Hours Postmatch in Professional Football: A Systematic Review With Graded Recommendations. Int. J. Sports Physiol. Perform., 17(9): 1326–1342. DOI: 10.1123/ijspp.2022-0038 Search in Google Scholar

Rustad P.I., Sailer M., Cumming K.T., Jeppesen P.B., Kolnes K.J., Sollie O., Franch J., Ivy J.L., Daniel H., Jensen J. (2016) Intake of Protein Plus Carbohydrate during the First Two Hours after Exhaustive Cycling Improves Performance the following Day. PLoS One, 11(4): e0153229. DOI: 10.1371/journal.pone.0153229 Search in Google Scholar

Shadgan B., Pakravan A.H., Hoens A., Reid W.D. (2018) Contrast Baths, Intramuscular Hemodynamics, and Oxygenation as Monitored by Near-Infrared Spectroscopy. J. Athl. Train., 53(8): 782–787. DOI: 10.4085/1062-6050-127-17 Search in Google Scholar

Simpson N.S., Gibbs E.L., Matheson G.O. (2017) Optimizing sleep to maximize performance: implications and recommendations for elite athletes. Scand. J. Med. Sci., 27(3): 266–274. DOI: 10.1111/sms.12703 Search in Google Scholar

Skorski S., Schimpchen J., Pfeiffer M., Ferrauti A., Kellmann M., Meyer T. (2019) Effects of Postexercise Sauna Bathing on Recovery of Swim Performance. Int. J. Sports Physiol. Perform., 22: 1–7. Advance online publication. DOI: 10.1123/ijspp.2019-0333 Search in Google Scholar

Taipale R.,Ihalainen J., Jones P., Mero A., Häkkinen K., Kyröläinen H. (2019) Cold-water immersion combined with active recovery is equally as effective as active recovery during 10 weeks of high-intensity combined strength and endurance training in men. Biomed. Hum. Kinet., 11(1): 189–192. DOI: 10.2478/bhk-2019-0026 Search in Google Scholar

Takeuchi K., Akizuki K., Nakamura M. (2022) Acute Effects of Different Intensity and Duration of Static Stretching on the Muscle-Tendon Unit Stiffness of the Hamstrings. J. Sports Sci. Med., 21(4): 528–535. DOI: 10.52082/jssm.2022.528 Search in Google Scholar

Thomas D.T., Erdman K.A., Burke L M. (2016) American College of Sports Medicine Joint Position Statement. Nutrition and athletic performance. Med. Sci. Sports Exerc., 48(3): 543–568. DOI: 10.1249/MSS.0000000000000852 Search in Google Scholar

Thorpe R.T. (2021) Post-exercise Recovery: Cooling and Heating, a Periodized Approach. Front. Sports Act. Living, 3: 707503. DOI: 10.3389/fspor.2021.707503 Search in Google Scholar

Trommelen J., Betz M.W., van Loon L.J.C. (2019) The Muscle Protein Synthetic Response to Meal Ingestion Following Resistance-Type Exercise. Sports Med., (Auckland, N.Z.), 49(2): 185–197. DOI: 10.1007/s40279-019-01053-5 Search in Google Scholar

Walsh N.P., Halson S.L., Sargent C., Roach G.D., Nédélec M., Gupta L., Leeder J., Fullagar H.H., Coutts A.J., Edwards B.J., Pullinger S.A., Robertson C.M., Burniston J.G., Lastella M., Le Meur Y., Hausswirth C., Bender A.M., Grandner M.A., Samuels C.H. (2021) Sleep and the athlete: narrative review and 2021 expert consensus recommendations. Br. J. Sports Med., 55: 356–368. DOI: 10.1136/bjsports-2020-102025 Search in Google Scholar

Watson A.M. (2017) Sleep and Athletic Performance. Curr. Sports Med. Rep., 16(6): 413–418. DOI: 10.1249/JSR.0000000000000418 Search in Google Scholar

Weakley J., Broatch J., O’Riordan S., Morrison M., Maniar N., Halson S.L. (2022) Putting the Squeeze on Compression Garments: Current Evidence and Recommendations for Future Research: A Systematic Scoping Review. Sports Med., (Auckland, N.Z.), 52(5): 1141–1160. DOI: 10.1007/s40279-021-01604-9 Search in Google Scholar

Xiao F., Kabachkova A.V., Jiao L., Zhao H., Kapilevich L.V. (2023) Effects of cold water immersion after exercise on fatigue recovery and exercise performance – meta analysis. Front. Physiol., 14: 1006512. DOI: 10.3389/fphys.2023.1006512://doi.org/10.3389/fphys.2017.00747 Search in Google Scholar

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