Journal of Sports Medicine and Physical Fitness最新文献

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Cardiovascular effects of exercise in extreme climate conditions: when to watch out? 极端气候条件下运动对心血管的影响:何时注意?
IF 1.3 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-31 DOI: 10.23736/S0022-4707.25.17120-X
Giulia E Mandoli, Paolo E Adami
{"title":"Cardiovascular effects of exercise in extreme climate conditions: when to watch out?","authors":"Giulia E Mandoli, Paolo E Adami","doi":"10.23736/S0022-4707.25.17120-X","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.17120-X","url":null,"abstract":"","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144760439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Asymmetry, lumbo-pelvic hip complex and injury in european soccer players. 欧洲足球运动员的不对称、腰骨盆髋关节复合体和损伤。
IF 1.3 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-31 DOI: 10.23736/S0022-4707.25.16845-X
Rosario D'Onofrio, Paolo Perna, Dario Pompa, Claudio Civitillo, Italo Sannicandro, Vincenzo Manzi
{"title":"Asymmetry, lumbo-pelvic hip complex and injury in european soccer players.","authors":"Rosario D'Onofrio, Paolo Perna, Dario Pompa, Claudio Civitillo, Italo Sannicandro, Vincenzo Manzi","doi":"10.23736/S0022-4707.25.16845-X","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16845-X","url":null,"abstract":"<p><p>Human movement, in its synergistic, functional, and stabilizing nature, necessitates a balance of muscle length and strength between the muscles surrounding a joint. This balance, known as muscle balance, ensures optimal joint function during movement. Using a bibliography that can be linked to indexed literature, this article has as its strength the correlative analysis between gestural repetitiveness in soccer, related to players' roles on the field on the playing field that result in dysfunctional postural frameworks with increased risk factors for lower extremity injuries. Soccer, characterized by rapid changes of direction, accelerations, decelerations, twisting motions, and cutting maneuvers often performed with a dominant limb can contribute to the development of asymmetries, lateralization, and postural/dysfunctional patterns. These patterns could increase the risk of injury to the musculoskeletal system, particularly during the return-to-sport process after an injury. In contact/collision sports like soccer, asymmetrical imbalances within the lumbo-pelvic-hip complex have been linked to dysfunctional states that affect lower limb alignment. This can have clinical implications, manifesting as knee pain, low back pain, groin injuries, or adductor injuries. Additionally, rotational deficits at the hip have been identified as predictors of ACL and femoroacetabular impingement (FAI) injuries. To address these issues, a screening process to identify muscle imbalances and assess movement quality should be integrated into both preseason and in-season training programs, with regular follow-ups. Compensatory training tailored to the specific roles players occupy on the field can be effective in reducing asymmetries and mitigating the risk factors associated with musculoskeletal disorders frequently seen in soccer.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144760437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detecting muscle strain in professional football players through plasma myoglobin levels. 通过血浆肌红蛋白水平检测职业足球运动员肌肉劳损。
IF 1.3 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-31 DOI: 10.23736/S0022-4707.25.16517-1
Yoshitomo Saita, Nanako Yamamoto, Yoshifumi Fukushima, Hidenori Izawa, Daiki Iwadate, Kodai Harada, Tomoko Ohyama, Junya Inoue, Muneaki Ishijima
{"title":"Detecting muscle strain in professional football players through plasma myoglobin levels.","authors":"Yoshitomo Saita, Nanako Yamamoto, Yoshifumi Fukushima, Hidenori Izawa, Daiki Iwadate, Kodai Harada, Tomoko Ohyama, Junya Inoue, Muneaki Ishijima","doi":"10.23736/S0022-4707.25.16517-1","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16517-1","url":null,"abstract":"<p><strong>Background: </strong>Muscle issues such as soreness, cramps, and strains are common consequences of sports exercise, making it critical to accurately identify the nature of muscle discomfort. It is important for not only medical professionals but also athletes and sports enthusiasts to independently identify and manage the risk of muscle strain.</p><p><strong>Methods: </strong>This prospective observational study explores the effectiveness of measuring blood myoglobin (MB) levels as a method for detecting muscle strains among athletes. The study involved 30 male professional footballers monitored over one season. MB levels were measured the morning after players reported muscle pain. The analysis involved comparing these levels between two groups: one diagnosed with muscle strain through physical examination and magnetic resonance imaging (strain group), and the other with muscle soreness or cramps (non-strain group).</p><p><strong>Results: </strong>The strain group, consisting of nine players, showed significantly higher MB levels (124±87.7 ng/mL) compared to the non-strain group, which included 15 players (49.9±29.6 ng/mL, P<0.01). A cutoff value of 60.3 ng/mL was determined via receiver operating characteristic analysis for suspected muscle strain cases. Subsequent logistic regression revealed that MB levels exceeding this threshold were associated with a 32.0-fold increase in the likelihood of muscle strain (P=0.005).</p><p><strong>Conclusions: </strong>This finding suggests that blood myoglobin measurement can serve as a reliable tool for athletes to independently recognize the occurrence of muscle strains, even in settings without immediate medical oversight.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144760440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Injury epidemiology in male professional German football: a long-term comparison between the two highest national leagues. 德国男子职业足球的伤病流行病学:两个最高国家联赛的长期比较。
IF 1.3 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-29 DOI: 10.23736/S0022-4707.25.16895-3
Andreas Aust, Christoph Ahlgrim, Kaywan Izadpanah, Peter Deibert, Philipp Breitbart
{"title":"Injury epidemiology in male professional German football: a long-term comparison between the two highest national leagues.","authors":"Andreas Aust, Christoph Ahlgrim, Kaywan Izadpanah, Peter Deibert, Philipp Breitbart","doi":"10.23736/S0022-4707.25.16895-3","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16895-3","url":null,"abstract":"<p><strong>Background: </strong>Football injuries pose substantial risks to player health, team performance, and club finances. Although injury prevention is a key priority, most epidemiological studies focus on short-term data from international tournaments or clubs outside Germany. This study aimed to examine the injury epidemiology in German elite men's football through a long-term analysis of a single club competing in both top national leagues.</p><p><strong>Methods: </strong>A professional German football team was prospectively observed over eight consecutive seasons, with four seasons played in the first division and four in the second. Injury incidence and associated time loss were analyzed using Poisson regression.</p><p><strong>Results: </strong>A total of 357 match injuries and 625 training injuries were recorded. Injury incidence did not significantly differ between the first and second division, either for match play (79.0 vs. 80.8 injuries per 1000 match hours, P=0.83) or training (8.7 vs. 9.2 injuries per 1000 training hours, P=0.49). However, average time loss was significantly greater in the first division for both training injuries (70 vs. 49 days per 1000 training hours, P<0.01) and match injuries (653 vs. 596 days per 1000 match hours, P=0.017).</p><p><strong>Conclusions: </strong>Although injury incidence was comparable between the two top German divisions, injuries sustained in the first division led to significantly greater time loss. These findings highlight the importance of addressing not only the frequency but also the severity of injuries in elite football injury prevention strategies.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Construct validity of a new intermittent aerobic fitness field test in elite soccer players. 一种新型间歇有氧体能场测试在优秀足球运动员中的建构效度。
IF 1.3 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-29 DOI: 10.23736/S0022-4707.25.16609-7
Luca Benedetti, Nicolò Prandelli, Paolo Aiello, Gaia Manari, Federico Nigro, Samuele Marcora, Rocco DI Michele
{"title":"Construct validity of a new intermittent aerobic fitness field test in elite soccer players.","authors":"Luca Benedetti, Nicolò Prandelli, Paolo Aiello, Gaia Manari, Federico Nigro, Samuele Marcora, Rocco DI Michele","doi":"10.23736/S0022-4707.25.16609-7","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16609-7","url":null,"abstract":"<p><strong>Background: </strong>The aim of the study was to evaluate the construct validity of a novel constant-velocity Intermittent Recovery Test (IRT), designed to evaluate aerobic fitness in the field in soccer players.</p><p><strong>Methods: </strong>Eighteen elite soccer players (age: 24.0±7.2 years, body mass: 82.9±6.8 kg, height: 184.7±5.2 cm) completed the IRT test, consisting of 50-m runs at 18 km/h (10-s/50 m), interspersed by a recovery time initially set at 17 s, gradually decreased up to 2 s, and then held constant until exhaustion. The maximum oxygen uptake (VO<inf>2</inf>max) measured by means of a portable gas analyzer, and the distance covered during the test were recorded, and their relationships with a selection of physical performance indicators collected during official matches were assessed with Pearson's r correlation coefficients.</p><p><strong>Results: </strong>Small to moderate (r≤0.45), non-significant correlations (all P>0.05) were observed between VO<inf>2</inf>max and all the examined match performance variables. Conversely, the distance covered at exhaustion was largely and positively correlated (r=0.71 to 0.76) to total distance covered, average metabolic power, distance covered at high metabolic power, and acceleration/deceleration distance (all P<0.01).</p><p><strong>Conclusions: </strong>The present findings reveal good construct validity of the distance covered in the IRT to predict match physical performance in elite soccer players.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Screening for suicidal thoughts, attempts, and associated factors in endurance and ultra-endurance runners. 筛选耐力和超耐力跑步者的自杀念头、企图和相关因素。
IF 1.3 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-29 DOI: 10.23736/S0022-4707.25.16998-3
Volker Scheer, David Valero, Beat Knechtle, Encarna Valero, Carel Viljoen, Mabliny Thuany
{"title":"Screening for suicidal thoughts, attempts, and associated factors in endurance and ultra-endurance runners.","authors":"Volker Scheer, David Valero, Beat Knechtle, Encarna Valero, Carel Viljoen, Mabliny Thuany","doi":"10.23736/S0022-4707.25.16998-3","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16998-3","url":null,"abstract":"<p><strong>Background: </strong>Suicide is one of the leading causes of premature death. Prevalence of suicidal thoughts in the general adult population is approximately 4%, with lifetime prevalence of 5.6%, and suicidal attempts of 2.7%. No data are available on endurance runners (ER) and ultra-endurance runners (UER).</p><p><strong>Methods: </strong>Prospective cohort study of ER (distance of ≥21.1 km-42.2 km) and UER (≥42.2 km), collecting self-reported data on biometrics, social, psychological, medical, and training history. Suicidal risk was assessed via the Patient Health Questionnaire (PHQ-9) and open questions. Statistical analysis included descriptive, predictive techniques, and regression analysis.</p><p><strong>Results: </strong>A total of N.=601 runners participated in the study (female N.=222; male N.=379; mean age [standard deviation (SD)] 42.8 (10.1) years). Suicidal thoughts were present in 8.0%, with a lifetime prevalence of 14.1% (P<0.001). Previous suicidal attempts occurred in 2%. Associated factors for suicidal thoughts included previous diagnosis of depression (P<0.001), anxiety (P=0.015), age (P=0.013), and participating in fewer (<9) competitions per year (P=0.026). Associated factors of lifetime risk of suicidal thoughts included previous diagnoses of depression (P<0.001) and age (P=0.015). Runners aged less <30 years of age presented with a higher risk of suicide (P<0.001) than older runners. Associated factors for previous suicidal attempts included previous diagnosis of depression (P=0.01) and stress (P=0.028).</p><p><strong>Conclusions: </strong>We present novel data on prevalence of suicidal thoughts in ER/UER, which were 2-2.5-fold higher than in the general population. Creating awareness among athletes, families, coaches, medical teams, and race organizers and providing education, screening and access to appropriate support are important to reduce the burden of suicide in this sport.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of age, sex, peak oxygen uptake, and training on resting and postexercise central blood Pressure Augmentation Index in aerobic trained adults. 年龄、性别、峰值摄氧量和训练对有氧训练成人静息和运动后中枢血压升高指数的影响。
IF 1.3 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-29 DOI: 10.23736/S0022-4707.25.17108-9
Gavin Buzza, Colin Solomon, Geoff P Lovell, Christopher D Askew
{"title":"The effect of age, sex, peak oxygen uptake, and training on resting and postexercise central blood Pressure Augmentation Index in aerobic trained adults.","authors":"Gavin Buzza, Colin Solomon, Geoff P Lovell, Christopher D Askew","doi":"10.23736/S0022-4707.25.17108-9","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.17108-9","url":null,"abstract":"<p><strong>Background: </strong>Markers of arterial stiffness including high Augmentation Index (AIx) are associated with cardiovascular events and all-cause mortality and are reduced with exercise training. In trained individuals, the AIx response to peak exercise (exercise delta AIx75 [Ex-AIx75]) may better help identify the effect of age and sex on arterial stiffening compared with conventional resting measures. This study aimed to determine the effect, and contribution of age, sex, peak oxygen (O<inf>2</inf>) uptake (V̇O<inf>2peak</inf>), mean weekly training load and lifetime training on resting AIx75, and Ex-AIx75 of healthy aerobic trained adults.</p><p><strong>Methods: </strong>One hundred healthy aerobic trained adults (49 women, 51 men, being 48 younger [18-30 years], 52 older [40-60 years]) underwent non-invasive measurements of AIx75 at rest and post peak cycling exercise.</p><p><strong>Results: </strong>Resting AIx75, and Ex-AIx75 were significantly higher (P<0.001) in the older group compared to the younger group. Peak O<inf>2</inf> uptake made the largest unique contribution to resting AIx75 (P<0.001), followed by age, height, and sex. None of the variables made a significant unique contribution to Ex-AIx75.</p><p><strong>Conclusions: </strong>In healthy aerobic trained adults, while age and sex are unique contributors of resting AIx75, V̇O<inf>2peak</inf> makes the largest unique contribution. Therefore, increasing V̇O<inf>2peak</inf> should be a primary component to consider for individuals who want to reduce their risk of CV events.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Patterns of lifetime reported physical activity and their association with BMI and body composition in USA adults. 美国成年人一生中报告的身体活动模式及其与BMI和身体成分的关系
IF 1.2 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-07 DOI: 10.23736/S0022-4707.25.16433-5
Débora B Pereira, Wolney L Conde
{"title":"Patterns of lifetime reported physical activity and their association with BMI and body composition in USA adults.","authors":"Débora B Pereira, Wolney L Conde","doi":"10.23736/S0022-4707.25.16433-5","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16433-5","url":null,"abstract":"<p><strong>Background: </strong>Physical activity (PA) has a direct influence on body composition, particularly in terms of lean body mass (LBM) and fat mass (FM). This study assesses how lifelong changes in PA impact body mass index (BMI) and body composition using data from NHANES (1999-2006) for adults aged 29 to 59 years.</p><p><strong>Methods: </strong>Data were extracted from the National Health and Nutrition Examination Survey (1999-2006), including male and female participants aged 29-59. The cross-sectional analysis focused on the relationship between BMI and the fat mass index (FMI)/Lean Body Mass Index (LBMI) ratio, adjusted for height (ht). Multivariate linear regression models were adjusted for covariates and stratified by sex. All analyses were adjusted considering the sample weights.</p><p><strong>Results: </strong>The analysis comprised 5115 participants, with 51.7% male and an average age of 42.8±0.13 years. The FMI/ht-LBMI ratio is approximately 0.4 for men and 0.7 for women. The results indicated that women had a mean BMI increase (β=1.9, 95% CI: 1.4-2.4) for every 0.1 increase in the FMI/ht-LBMI ratio, while men had a mean BMI increase (β=1.0, 95% CI: 0.7-1.4) (P<0.05), compared to those maintaining the same PA pattern over ten years. Additionally, factors such as socioeconomic status, race/ethnicity, and nutritional status at age 25 were found to significantly impact body composition outcomes.</p><p><strong>Conclusions: </strong>In summary, long-term PA emerges as a modifier in population-level body composition. Individuals with a history of lower PA over the last decade showed a higher proportion of adipose tissue. In this way, the importance of maintaining substantial levels of PA throughout life is emphasized, contributing positively to body composition.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144575656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The impact of asymmetrical loading on tibial characteristics and bone strength in high-impact athletes. 不对称负荷对高冲击运动员胫骨特征和骨强度的影响。
IF 1.2 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-01 Epub Date: 2025-03-25 DOI: 10.23736/S0022-4707.25.16413-X
Reece J Scott, Craig Sale, Ruth James, Cleveland T Barnett, Ian Varley
{"title":"The impact of asymmetrical loading on tibial characteristics and bone strength in high-impact athletes.","authors":"Reece J Scott, Craig Sale, Ruth James, Cleveland T Barnett, Ian Varley","doi":"10.23736/S0022-4707.25.16413-X","DOIUrl":"10.23736/S0022-4707.25.16413-X","url":null,"abstract":"<p><strong>Background: </strong>Asymmetrical athletes produce movements where the external load is unequally distributed in the lower extremities e.g., cricket fast bowling. Loading magnitude is known to affect bone adaptation. It is not understood if tibial characteristics differ between legs when they are exposed to different magnitudes of external load, as happens in asymmetrical athletes. This study aimed to assess the association between external load and tibial characteristics and compare the effect that asymmetrical loading has between legs in asymmetrical athletes. Footballers were recruited as a comparator group.</p><p><strong>Methods: </strong>Inertial measurement units (IMU) were placed at the 14% site of the anteromedial tibia to measure external load during habitual training. Whole body dual-energy X-ray absorptiometry (DXA) and tibial peripheral quantitative computed tomography (pQCT) scans were taken of the athlete within 2 weeks of the external load measurement.</p><p><strong>Results: </strong>Asymmetrical athletes experienced 34% higher peak acceleration and 28% higher peak positive acceleration (PPA) in the front leg compared to the back leg and showed greater bone mineral content (BMC; 2%) and torsional tibial strength (7%) in the front leg. Positive correlations were shown between cumulative load in the front leg and tibial strength (r=0.638; P=0.035) in asymmetrical athletes.</p><p><strong>Conclusions: </strong>Exposure to cumulative load showed higher tibial anteroposterior bone strength and transverse and torsional fracture resistance than the lesser loaded contralateral limb. The ability to monitor external load within the applied setting and how it impacts bone can help practitioners estimate the athletes' bone load throughout the season.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":"908-916"},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143710463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
No effect of menstrual cycle on maximum dynamic strength in upper and lower body in strength-trained females: a six-arm cross-over study. 在力量训练的女性中,月经周期对上半身和下半身最大动态力量没有影响:一项六臂交叉研究。
IF 1.2 4区 医学
Journal of Sports Medicine and Physical Fitness Pub Date : 2025-07-01 Epub Date: 2025-03-25 DOI: 10.23736/S0022-4707.25.16485-2
Christoph Zinner, Philipp Wirges, Stephan Geisler, Eduard Isenmann
{"title":"No effect of menstrual cycle on maximum dynamic strength in upper and lower body in strength-trained females: a six-arm cross-over study.","authors":"Christoph Zinner, Philipp Wirges, Stephan Geisler, Eduard Isenmann","doi":"10.23736/S0022-4707.25.16485-2","DOIUrl":"10.23736/S0022-4707.25.16485-2","url":null,"abstract":"<p><strong>Background: </strong>The aim of this study was to compare maximal dynamic strength in the upper and lower body in six distinct phases of the menstrual cycle (MC) and well-being and pain sensation throughout the MC.</p><p><strong>Methods: </strong>Ten strength-trained young women (age: 25.7±1.4 years, Body Mass Index [BMI]: 25.2±3.6) were tested with a one-repetition maximum (1RM) in the deadlift (DL) and the bench press (BP). Furthermore, a questionnaire about pain perception and perceived stress was obtained from the participants at six points in time within three consecutive MCs with two measurements in each MC. These moments in time were in the early, middle, and late subphases in the follicular and luteal phases.</p><p><strong>Results: </strong>No differences were evident for absolute or relative 1RM for DL (P=0.82 and 0.73, respectively) and BP (P=0.99 and 0.99, respectively) over the MC. A time difference was detected in pain perception during the MC (P=0.02), but no influence on the stress score (P=0.52) was found.</p><p><strong>Conclusions: </strong>The MC does not influence the dynamic maximal strength in the upper and lower body. Even though pain perception changed during the MC this does not seem to have an impact on women's maximum strength in the DL and BP on a group level.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":"883-890"},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143710433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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