{"title":"Mitigating exertional heat illness risk and preserving performance in mass-participation endurance events: a real-world analysis of a graded cooling and fluid replacement strategy.","authors":"Hai Li, Xiaodong Cao, Shuolei Feng","doi":"10.1016/j.jsams.2026.09.007","DOIUrl":"https://doi.org/10.1016/j.jsams.2026.09.007","url":null,"abstract":"<p><strong>Objectives: </strong>Endurance athletes competing in hot-humid environments face substantial thermoregulatory strain. This study evaluated whether participation in a structured graded cooling and fluid replacement program was associated with lower post-race core body temperature and improved physiological, medical, and performance outcomes.</p><p><strong>Design: </strong>Retrospective comparative analysis of a prospectively collected, non-randomized event-based cohort.</p><p><strong>Methods: </strong>Records from 312 endurance athletes competing in four hot-humid events in southern China (2023-2025) were analyzed. Propensity score matching within event retained 116 matched pairs. The primary outcome was post-race core body temperature; secondary outcomes included race-time deviation, heat-related medical encounters, cortisol, and interleukin-6.</p><p><strong>Results: </strong>Post-race core body temperature was lower with graded cooling and fluid replacement (39.1 ± 0.4°C vs 39.6 ± 0.5°C; mean difference -0.50°C, 95% confidence interval -0.62 to -0.38; P < 0.001). Race-time deviation from personal best was smaller (+4.8 ± 2.9% vs +8.3 ± 4.1%); adjusted between-group difference was -3.08 percentage points (95% confidence interval -4.21 to -1.95; P < 0.001). Heat-related medical encounters occurred in 10/116 versus 20/116 athletes (conditional OR 0.41, 95% confidence interval 0.17-0.99). Cortisol and interleukin-6 responses were attenuated.</p><p><strong>Conclusions: </strong>Participation in the structured program was associated with lower thermal strain, fewer heat-related medical presentations, and better preservation of race performance. The findings support the feasibility of organizer-delivered multimodal cooling and individualized fluid replacement in hot-humid endurance events.</p>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":" ","pages":""},"PeriodicalIF":4.5,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149039475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jessie M Cunningham, Jodie G Dakic, Matthew Whalan, Andrea B Mosler
{"title":"Prevalence of pelvic floor symptoms and their association with lumbopelvic and/or hip/groin pain in professional female athletes (Australian rules football and netball).","authors":"Jessie M Cunningham, Jodie G Dakic, Matthew Whalan, Andrea B Mosler","doi":"10.1016/j.jsams.2026.09.005","DOIUrl":"https://doi.org/10.1016/j.jsams.2026.09.005","url":null,"abstract":"<p><strong>Objectives: </strong>To report the prevalence of pelvic floor symptoms and explore their association with lumbopelvic and/or hip/groin pain in professional female Australian rules football (Australian Football League Women's) and Super Netball players.</p><p><strong>Design: </strong>Observational, cross-sectional survey study.</p><p><strong>Methods: </strong>Australian Football League Women's and Super Netball players aged ≥18 years competing professionally in Australia completed a bespoke online screening questionnaire during pre-season. Questions included: demographics, pelvic health, and self-reported musculoskeletal pain/injury history. Data were analysed descriptively, and logistic regression models assessed the association between pelvic floor symptoms and lumbopelvic and/or hip/groin pain.</p><p><strong>Results: </strong>A total of 71 Australian Football League Women's and 36 Super Netball players were included with the following demographics: median age of 23 years (interquartile range: 6); mean body mass index of 22 kg/m<sup>2</sup> (SD: 1.6); predominantly nulliparous (95.3%); and played professionally for a median of 4 years (interquartile range: 3). Urinary incontinence was the most prevalent pelvic floor symptom reported (42.1%). Other pelvic floor symptoms included: penetration pain (tampons/intercourse) (15%), urinary frequency (12.1%), bowel urgency (12.1%), nocturia (9.3%), bladder urgency (8.4%), and regular constipation (7.5%). Urinary incontinence was associated with hip/groin pain (odds ratio = 2.66, 95% confidence interval [1.03, 6.86], p < 0.05), but not lumbopelvic pain. No other associations were found.</p><p><strong>Conclusions: </strong>Although urinary incontinence had the highest prevalence, professional Australian Football League Women's and Super Netball players experience a breadth of pelvic floor symptoms relating to bladder/bowel dysfunction and pelvic pain. Therefore, pelvic health screening for female athletes should examine a broad range of pelvic floor symptoms, beyond urinary incontinence. Our findings also suggest that in female athletes, consideration of pelvic floor function may be important in hip/groin pain assessment, management, and prevention.</p>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":" ","pages":""},"PeriodicalIF":4.5,"publicationDate":"2026-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149111224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gemma Knight, Katie Stanislas, Kathryn Dane, Liam Colbert, Carolyn A Emery, Simon Roberts, Keith A Stokes, Stephen W West
{"title":"\"We can't just copy and paste what the men do into female sport\": contextual experiences and perceptions of injury and injury prevention in adolescent female rugby.","authors":"Gemma Knight, Katie Stanislas, Kathryn Dane, Liam Colbert, Carolyn A Emery, Simon Roberts, Keith A Stokes, Stephen W West","doi":"10.1016/j.jsams.2026.09.006","DOIUrl":"https://doi.org/10.1016/j.jsams.2026.09.006","url":null,"abstract":"<p><strong>Objectives: </strong>Understanding the context in which injuries occur and how injury prevention strategies are implemented is essential for developing effective injury prevention and management strategies. Thus, the study aimed to gain an in-depth understanding of the experiences and perceptions of players, parents/guardians, and coaches regarding injuries and injury prevention strategies within adolescent female rugby in England. The study also aimed to understand the contextual barriers and/or facilitators of injury prevention strategy implementation.</p><p><strong>Methods: </strong>This qualitative study utilised semi-structured interviews to explore the experiences and perceptions of under-16/under-18 female rugby players, their parents/guardians and coaches/team staff towards injury and injury prevention strategies. Reflexive thematic analysis was employed to analyse transcripts.</p><p><strong>Results: </strong>Twenty-four participants were recruited: twelve coaches/team staff, seven players, and five parents/guardians. Four themes were developed: Navigating female-centred considerations in injury and prevention; Creating safe conditions: confidence, culture, and capacity; Voices from the pitch: lived experiences of injury; and Preparing for impact: what supports or hinders injury prevention. Communication dynamics were also a key finding, which often shaped participants' experiences of injury prevention and implementation.</p><p><strong>Conclusions: </strong>Participants' experiences of injuries and injury prevention were complex and context-dependent and shaped by sociocultural factors. Moreover, participants highlighted the need to consider the dynamics of communication as it can play a substantial role in injury management and prevention. Finally, exploring key partners' experiences and perceptions can enrich understanding and aid in the identification of potential barriers and facilitators to implementation.</p>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":" ","pages":""},"PeriodicalIF":4.5,"publicationDate":"2026-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149075132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rees J Thomas, Tania Pizzari, Ryan G Timmins, Patrick L Rowe, Adam Scollo, Chris Bell, Olivia Dawson, Kevin Ball
{"title":"Quantifying kicking loads during pre- and in-season training across two seasons in professional female Australian Football.","authors":"Rees J Thomas, Tania Pizzari, Ryan G Timmins, Patrick L Rowe, Adam Scollo, Chris Bell, Olivia Dawson, Kevin Ball","doi":"10.1016/j.jsams.2026.09.004","DOIUrl":"https://doi.org/10.1016/j.jsams.2026.09.004","url":null,"abstract":"<p><strong>Objectives: </strong>To quantify kicking loads (kick count and intensity) of professional female Australian Football (AF) players during pre-season and in-season training across two seasons and examine associations between maximal kicking velocity and Kicker force (combined hip flexion and knee extension).</p><p><strong>Design: </strong>Cohort study.</p><p><strong>Methods: </strong>Thirty-five professional female AF players from one club participated across the 2024 and 2025 seasons (80 training sessions). Foot-mounted inertial measurement units (PlayerMaker™) recorded kick count and foot velocity. Kicks were classified as low (≤13.49 m/s), moderate (13.5-16.49 m/s), or high (≥16.5 m/s) velocity. Combined kick count and intensity metrics (Ball release index, Ball cubed) were calculated. Combined isometric hip flexion/knee extension strength was assessed via the ForceFrame Kicker test. Independent t-tests and Pearson correlations were performed.</p><p><strong>Results: </strong>Players averaged 37.2 ± 9.6 kicks per training session, with 95.9% on the preferred limb and a typical distribution of 16.5 low intensity, 16.0 moderate intensity and 4.8 high intensity kicks. Mean kicking velocity per week was 13.9 m/s; mean maximum weekly velocity was 18.4 m/s. Pre-season demonstrated significantly higher mean velocities per session than in-season (14.05 vs 13.7 m/s; p = 0.008, d = 0.64). Maximum velocities per week were also higher during pre-season (18.7 vs 18.1 m/s; p = 0.018, d = 0.96). Kicker force normalised to body mass correlated moderately with maximal kicking velocity (r = 0.52, 95% CI = 0.11-0.78, p = 0.016).</p><p><strong>Conclusions: </strong>This study provides the first two-season analysis of kicking loads in elite women's AF, establishing normative benchmarks for kick count, intensity, and strength-velocity relationships from a single team. These findings provide an example of kicking exposures within a professional female AF program and may inform training design, workload monitoring, and the progression of kicking loads during return to play in elite, sub-elite, and developing AF athletes, particularly following quadriceps muscle strain injury.</p>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":" ","pages":""},"PeriodicalIF":4.5,"publicationDate":"2026-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148990449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Luci Olewinski, Calla Walters, Alyse Hodgins, Bill Taylor, K Paige Johnson, Jill M Maples
{"title":"Saddle sores in elite/professional cyclists with labia/vulvas: Results of a mixed methods survey.","authors":"Luci Olewinski, Calla Walters, Alyse Hodgins, Bill Taylor, K Paige Johnson, Jill M Maples","doi":"10.1016/j.jsams.2026.08.213","DOIUrl":"https://doi.org/10.1016/j.jsams.2026.08.213","url":null,"abstract":"<p><strong>Objectives: </strong>Saddle sores (skin and soft tissue cycling-related urogenital overuse injuries) can negatively impact cyclists on and off the bike. Previous research has offered solutions of riding less, using wider saddles, or raising handlebars, which are not realistic for professional cyclists. Our aim was to survey elite and professional road cyclists with labia/vulvas to understand saddle sore epidemiology, impact on cycling careers and life off the bike, and prevention, mitigation, or treatment strategies.</p><p><strong>Design: </strong>A novel mixed-methods cross sectional survey METHODS: Responses were reported as frequencies or medians with interquartile ranges. Impact of saddle sores was assessed using related samples Wilcoxon signed rank tests.</p><p><strong>Results: </strong>Of thirty-three eligible cyclists, nearly all had cycling-related pain and abrasions (30/33 = 91%). Eleven (33%) indicated they had a history of or current issues with all queried saddle sore subtypes. Ulcerations and abscesses were most bothersome. Participants reported saddle sores more negatively impacted training than racing. The effectiveness of mitigation strategies varied by participant and injury. 42% reported a prior bike fit that contributed negatively to their saddle health, and 67% felt like their labia \"got in the way\" while cycling.</p><p><strong>Conclusions: </strong>In a volunteer sample of elite/professional cyclists, saddle sores were common and had a negative impact on training and racing. This study supports the need for more awareness about saddle sores and for further research on true prevalence and incidence of saddle sores, prevention and treatment strategies, and impact on the health and careers of elite/professional cyclists with vulvas, a unique cohort not previously studied.</p>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":" ","pages":""},"PeriodicalIF":4.5,"publicationDate":"2026-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149039452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J D Périard, H A Brown, J K Mara, B Taylor, V Gouttebarge, B Clark
{"title":"Monitoring core temperature, match running characteristics and performance indicators during professional football in men and women.","authors":"J D Périard, H A Brown, J K Mara, B Taylor, V Gouttebarge, B Clark","doi":"10.1016/j.jsams.2026.09.003","DOIUrl":"https://doi.org/10.1016/j.jsams.2026.09.003","url":null,"abstract":"<p><strong>Objectives: </strong>To explore associations between environmental conditions, core temperature and running characteristics during 2024-2025 A-League Men's (ALM) and Women's (ALW) matches.</p><p><strong>Design: </strong>Longitudinal cohort study.</p><p><strong>Methods: </strong>Gastrointestinal temperature (T<sub>gi</sub>) and match running characteristics were recorded on 100 occasions in seven ALM (n = 35) and 20 ALW (n = 65) players across 11 and 13 matches, respectively. Environmental conditions, including wet-bulb globe temperature (WBGT), were measured in all matches.</p><p><strong>Results: </strong>Average match conditions were 27.1 °C, 57% relative humidity and 22.7 °C WBGT for ALM, and 29.4 °C, 48% relative humidity and 24.7 °C WBGT for ALW (P ≥ 0.18). Mean peak T<sub>gi</sub> in ALM (39.4 °C [39.2, 39.7]) was significantly higher than in ALW (39.1 °C [38.9, 39.2]; P = 0.03). T<sub>gi</sub> exceeded 40 °C on seven occasions in six players (3 ALM, 3 ALW) with highest values of 40.8 °C (ALM) and 40.1 °C (ALW). Mean total running distance for players who completed ≥90 min of match play was 10,879 m [10,124, 11,634] for ALM and 10,500 m [10,047, 10,954] for ALW (P = 0.38). Distance covered at high intensity was 679 m [480, 879] for ALM and 485 m [366, 604] for ALW (P = 0.10). A 1 °C rise in WBGT was associated with an increase in peak T<sub>gi</sub> in ALM (0.05 °C [0.02, 0.09], P < 0.01) but not ALW (0.0 °C [-0.03, 0.05], P = 0.56) and had no association with running characteristics.</p><p><strong>Conclusions: </strong>Professional footballers experience considerable thermal strain during competitive match play across different environmental conditions. Given the absence of any meaningful association of WBGT with peak T<sub>gi</sub> and running characteristics, alternative methods to quantify heat illness risk in professional football should be explored.</p>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":" ","pages":""},"PeriodicalIF":4.5,"publicationDate":"2026-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149002060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Is overtraining syndrome an acquired T-cell exhaustion state? Rethinking chronic exercise-induced immune dysfunction.","authors":"Ayşe Arslan, Güfat Arslan","doi":"10.1016/j.jsams.2026.09.002","DOIUrl":"https://doi.org/10.1016/j.jsams.2026.09.002","url":null,"abstract":"","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":" ","pages":""},"PeriodicalIF":4.5,"publicationDate":"2026-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148977118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gordon W Fuller, Sharron Flahive, Andrew J Gardner
{"title":"The epidemiology of head impacts, head injury assessments, and concussions in the National Rugby League: A study from the SCRIMMAGE database.","authors":"Gordon W Fuller, Sharron Flahive, Andrew J Gardner","doi":"10.1016/j.jsams.2026.09.001","DOIUrl":"https://doi.org/10.1016/j.jsams.2026.09.001","url":null,"abstract":"<p><strong>Objectives: </strong>Rugby League is a popular collision sport with an inherent risk of concussion. Management systems have been introduced at the elite level to detect and manage head impacts with the potential for concussion; however, little is known about the epidemiology of these events. This study aimed to describe the risk and incidence of head impacts, head injury assessments, and concussions in the National Rugby League.</p><p><strong>Design: </strong>A retrospective cohort study.</p><p><strong>Methods: </strong>Official National Rugby League player data from the 2017 to 2023 seasons was linked to the SCRIMMAGE registry of head impacts, to provide a definitive database of exposure (match participation, player-match hours) and outcomes (head impacts, head injury assessments, and concussions). The risk and incidence of each outcome were calculated, overall and across each season.</p><p><strong>Results: </strong>Between 2017 and 2023 892 individual players participated in at least one game, with a total of 48,113.45 exposure hours. There were 5274 head impacts detected, resulting in 1849 head injury assessments, and 665 concussions. Incidence rates of head impacts, head injury assessments, and concussions per 1000 player-match hours were 109.62 (95% confidence interval: 103.47-116.13), 38.43 (95% confidence interval: 35.55-41.55), and 13.82 (95% confidence interval: 12.54-15.23) respectively.</p><p><strong>Conclusions: </strong>Head impacts, head injury assessments, and concussions were common events in National Rugby League, but occurred at comparable, or relatively lower, rates than similar collision sports. This burden of injury justifies the comprehensive National Rugby League concussion management system and supports ongoing efforts to mitigate the risk of head impacts, balanced against sporting considerations.</p>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":" ","pages":""},"PeriodicalIF":4.5,"publicationDate":"2026-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148955933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Camila Romano Berindoague, Bruno Vergara, Rafael de Araujo Porto
{"title":"Medical encounters in Brazilian trail running: A multicenter study and safety framework","authors":"Camila Romano Berindoague, Bruno Vergara, Rafael de Araujo Porto","doi":"10.1016/j.jsams.2026.04.005","DOIUrl":"10.1016/j.jsams.2026.04.005","url":null,"abstract":"<div><div>This multicenter study analyzes medical encounters across 17 Brazilian trail running events involving 18,314 athletes (2022–2025). With a 4.5% medical attendance rate, findings reveal a significant paradigm shift: systemic illnesses—including exercise-associated collapse, heat stroke, and hyponatremia—accounted for 66% of encounters, while injuries represented only 34%. Tropical climate stressors likely exacerbate these clinical risks, particularly among males aged 31–50. To bridge the gap between sport growth and athlete safety, we propose a six-pillar framework to establish a structured national medical surveillance system for trail running in Brazil, transitioning from a data vacuum to specialized, evidence-based care.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"29 10","pages":"Pages 1093-1096"},"PeriodicalIF":4.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147774884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kimberley L. Way, Tori O. Roberts, Tasuku Terada, Sol Vidal-Almela, Carley D. O'Neill, Hannah J. Thomas, Lewan Parker, Sian A. O'Gorman, Gunveen Kaur, Michelle A. Keske, Derek L. Tran, Daniel Hackett, Jennifer L. Reed
{"title":"Hypertensive responses to exercise after 12-weeks of high-intensity interval training or moderate-to-vigorous intensity continuous training in patients with persistent and permanent atrial fibrillation: a non-prespecified post-hoc analysis of a randomized clinical trial","authors":"Kimberley L. Way, Tori O. Roberts, Tasuku Terada, Sol Vidal-Almela, Carley D. O'Neill, Hannah J. Thomas, Lewan Parker, Sian A. O'Gorman, Gunveen Kaur, Michelle A. Keske, Derek L. Tran, Daniel Hackett, Jennifer L. Reed","doi":"10.1016/j.jsams.2026.04.001","DOIUrl":"10.1016/j.jsams.2026.04.001","url":null,"abstract":"<div><h3>Objectives</h3><div>Does 12-weeks of high-intensity interval training or moderate-to-vigorous intensity continuous training lead to changes in hypertensive responses to exercise in adults with atrial fibrillation?</div></div><div><h3>Design</h3><div>Non-prespecified post-hoc analysis of a randomized clinical trial.</div></div><div><h3>Methods</h3><div>Participants were randomised to a 12-week, twice weekly intervention of high-intensity interval training (2 × 8-minute blocks with 30 s high-intensity intervals at 80–100% peak power output interspersed with 30-seconds active recovery) or moderate-to-vigorous intensity continuous training (60 minutes of continuous aerobic training at 67–95% heart rate peak). To examine hypertensive responses to exercise, blood pressure was taken immediately following a six-minute walk test at baseline and follow-up.</div></div><div><h3>Results</h3><div>Eighty-six participants were randomized to high-intensity interval training (n = 43, age: 68 (8) years, 33% female) or moderate-to-vigorous intensity continuous training (n = 43, age: 71 (7) years, 33% female). A higher proportion of moderate-to-vigorous intensity continuous training participants had clinically meaningful reductions in peak systolic blood pressure (Δ<!--> <!-->=<!--> <!-->–<!--> <!-->10<!--> <!-->mmHg or more) than high-intensity interval training (43% vs 19%, p = 0.029). A trend for a small reduction in hypertensive responses to exercise relative to fitness after aerobic training, with 55% of the cohort experiencing a reduction (baseline: 42 ± 8 mmHg/METs; follow-up: 41 + 14 mmHg/METs; p = 0.0501). Within-sex analyses showed that a higher proportion of females had clinically meaningful reductions in peak systolic blood pressure following moderate-to-vigorous intensity continuous training than high-intensity interval training (43% vs 7%).</div></div><div><h3>Conclusions</h3><div>Both high-intensity interval training and moderate-to-vigorous intensity continuous training may reduce hypertensive responses to exercise in adults with atrial fibrillation. No sex differences were observed.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"29 10","pages":"Pages 1086-1092"},"PeriodicalIF":4.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147774878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}