European Journal of Sport Science最新文献

Echocardiographic assessment of myocardial efficiency predicts exercise performance 超声心动图评估心肌效率可预测运动表现

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2024-02-15 DOI: 10.1002/ejsc.12082

C. Erevik, Ø. Kleiven, V. Frøysa, M. Bjørkavoll-Bergseth, M. Chivulescu, Lars Gunnar Klæboe, L. Dejgaard, B. Auestad, Ø. Skadberg, T. Melberg, S. Urheim, K. Haugaa, T. Edvardsen, S. Ørn

{"title":"Echocardiographic assessment of myocardial efficiency predicts exercise performance","authors":"C. Erevik, Ø. Kleiven, V. Frøysa, M. Bjørkavoll-Bergseth, M. Chivulescu, Lars Gunnar Klæboe, L. Dejgaard, B. Auestad, Ø. Skadberg, T. Melberg, S. Urheim, K. Haugaa, T. Edvardsen, S. Ørn","doi":"10.1002/ejsc.12082","DOIUrl":"https://doi.org/10.1002/ejsc.12082","url":null,"abstract":"Cardiac function is a major determinant of cardiopulmonary fitness. This study aimed to determine if novel echocardiographic myocardial function and efficiency parameters at rest can predict exercise performance during different types of prolonged high‐intensity endurance exercise. Echocardiography was performed before exercise in 40 healthy (75% males) 50.3 ± 9.1‐year‐old recreational athletes. Echocardiographic parameters at rest were compared with exercise performance assessed by power output during two different exercises: A lactate threshold and cardiopulmonary exercise test (La‐CPET) and a 91‐km mountain bike sport cycling race. The La‐CPET had a median duration of 43 (40, 45) minutes and a mean power output of 2.9 ± 0.5 W/kg. The race had a median duration of 236 (214, 268) minutes and a mean power output of 2.1 ± 0.5 W/kg. There was moderate left ventricular (LV) dilatation in individuals with the highest performance. The myocardial efficiency parameter, global wasted work (GWW), was positively correlated with race duration (rho = 0.42, p = 0.008) and negatively correlated with mean power output during both the La‐CPET (rho = −0.43, p = 0.007) and the race (rho = −0.44, p = 0.005). In multivariable models, including LV volumes, left GWW remained an independent predictor of race duration (beta = 0.40, p = 0.007) and of mean power output during the La‐CPET (beta = −0.40, p = 0.006) and the race (beta = −0.43, p = 0.003). The novel echocardiographic myocardial efficiency parameter, GWW, measured at rest, is an independent predictor of prolonged high‐intensity endurance exercise performance in healthy middle‐aged athletes. These findings suggest that resting myocardial efficiency parameters may aid the identification of exercise‐induced LV dilatation.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2024-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139835501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Plank exercise improves respiratory capacity through positive changes in body composition, abdominis function, and autonomic nerves' activities 通过身体成分、腹肌功能和自律神经活动的积极变化，平板支撑运动可提高呼吸能力

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2024-02-15 DOI: 10.1002/ejsc.12086

Sihwa Park, Young‐Chul Kim, Y. Jee

{"title":"Plank exercise improves respiratory capacity through positive changes in body composition, abdominis function, and autonomic nerves' activities","authors":"Sihwa Park, Young‐Chul Kim, Y. Jee","doi":"10.1002/ejsc.12086","DOIUrl":"https://doi.org/10.1002/ejsc.12086","url":null,"abstract":"This research aimed to explore the impact of plank exercise training (PET) on respiratory function, body composition, abdominis performance, and autonomic nervous system (ANS). Sixty‐one young adults participated and were divided into a control group (CG, n = 31) and an exercise group (EG, n = 30), wherein PET was administered 3 days per week for 12 weeks. After the experiment, the body composition of the CG deteriorated, whereas that of the EG improved (p < 0.001). The EG exhibited a reduction of ∼34% in the mean maximum displacement and a rise of ∼20% in the mean contraction time of the abdominis. The sit‐up in the EG demonstrated a significant increase of ∼55%. In the EG, there was a substantial increase in peak expiratory force by ∼24% and forced expiratory volume in 1 s by ∼14%, accompanied by a reduction in resting respiratory rate by ∼ −9%. When compared to the CG, these alterations were significant between the two groups (p = 0.001). In the EG, there was a significant decrease in resting heart rate by ∼2%, accompanied by a decrease in sympathetic nervous activity by ∼ −5% and by an increase in parasympathetic nervous activity by ∼5%. When compared to the CG, these alterations were significant between the two groups (p = 0.001). The findings of this study revealed that implementing PET in young adults, while controlling for dietary intake and physical activity, resulted in noteworthy changes in respiratory capacity. These changes were coupled with improvements in body composition, abdominal functions, and the ANS.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2024-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139776020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Habitual carbohydrate ingestion reduces the efficacy of oral carbohydrate rinsing during repetitions to failure 习惯性摄入碳水化合物会降低重复练习到失败时口服碳水化合物冲洗的效果

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2024-02-14 DOI: 10.1002/ejsc.12084

Neil D. Clarke, Darren L. Richardson

{"title":"Habitual carbohydrate ingestion reduces the efficacy of oral carbohydrate rinsing during repetitions to failure","authors":"Neil D. Clarke, Darren L. Richardson","doi":"10.1002/ejsc.12084","DOIUrl":"https://doi.org/10.1002/ejsc.12084","url":null,"abstract":"Carbohydrate mouth rinsing has been reported to enhance exercise performance although individual variation exists. The present study aimed to investigate the effect of habitual dietary carbohydrate intake on the efficacy of rinsing a 6% carbohydrate solution on the number of bench press repetitions to failure at 60% of 1‐RM. Twenty‐one recreationally active male participants (Mean ± SD) (age: 24 ± 4 years, height: 177.8 ± 7.8 cm, body mass: 78.6 ± 8.1 kg; bench press 1‐RM: 73.3 ± 20.5 kg) performed bench press repetitions to failure at 60% 1‐RM following rinsing with 25 mL of a 6% carbohydrate (CHO), an artificially sweetened solution (PLA) and a non‐rising control condition (CON) in a randomised cross‐over design. A 7‐day dietary record was completed prior to the first session and subsequently analysed for daily carbohydrate consumption. The number of repetitions performed during CHO (24 ± 4) was higher than CON [21 ± 4; p < 0.001; 95% CI: 1, 4; d = 0.64], as was PLA [23 ± 4; p = 0.002; 95% CI: 1, 3; d = 0.48]. However, there was a large, negative relationship [r = −0.68 (95% CI: −0.86, −0.36), p < 0.001] between daily relative carbohydrate intake (g kg−1) and the difference in the number of repetitions between CHO and PLA. The present study suggests the existence of an inverse relationship between daily carbohydrate ingestion and the efficacy of carbohydrate mouth rinsing; participants who consumed the most daily carbohydrate were generally less likely to see an increase in performance with carbohydrate rinsing.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2024-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139837567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 acute effect of wearable resistance placement on change of direction performance in elite netball players 可穿戴阻力装置对精英无挡板篮球运动员变向能力的急性影响

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2024-02-14 DOI: 10.1002/ejsc.12081

Chloe Ryan, Aaron M. Uthoff, C. McKenzie, John Cronin

{"title":"The acute effect of wearable resistance placement on change of direction performance in elite netball players","authors":"Chloe Ryan, Aaron M. Uthoff, C. McKenzie, John Cronin","doi":"10.1002/ejsc.12081","DOIUrl":"https://doi.org/10.1002/ejsc.12081","url":null,"abstract":"The aim of this study was to determine the acute effects of wearable resistance forearm (WRf) loading versus shank (WRs) loading on change of direction (COD) performance in netball athletes. Ten elite female netball athletes (age: 24.9 ± 5.0 years, height: 180.1 ± 6.5 cm, weight: 81.3 ± 15.0 kg) participated in this within‐subject repeated measures study under three conditions: (1) no load (NL), (2) WRs and (3) WRf, both wearable resistance conditions loaded with 1% body mass on each limb. Athletes performed a modified 5‐0‐5 COD test with additional timing splits and inertial measurement units placed in their shoes. Total time was significantly longer for both WR conditions with a small effect compared to NL (p < 0.05, ES = 0.22–0.25). The greatest differences between WRs and WRf as compared to NL were in the acceleration phase with moderate effect sizes (0–2 m) (p < 0.05, ES = −0.67–0.79). Both loading conditions had moderate to large significant effects on peak deceleration (ES = 0.56–0.82) and maximum speed (ES = −0.50–0.60). No significant differences were observed between WR conditions. It appeared that WRs and WRs acutely affected COD performance and therefore might provide a potential training stimulus to elicit positive COD performance adaptations if used over an extended period of time. The choice of overload depended on the musculature that needed training.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2024-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139778517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Effects of contextual interference and differential learning on performance and mental representations in a golf putting task 情境干扰和差异学习对高尔夫推杆任务中的成绩和心理表征的影响

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2024-02-13 DOI: 10.1002/ejsc.12079

S. H. Mousavi, Alireza Saberi Kakhki, D. Fazeli, Ludwig Vogel, Fabian Horst, Wolfgang I. Schöllhorn

{"title":"Effects of contextual interference and differential learning on performance and mental representations in a golf putting task","authors":"S. H. Mousavi, Alireza Saberi Kakhki, D. Fazeli, Ludwig Vogel, Fabian Horst, Wolfgang I. Schöllhorn","doi":"10.1002/ejsc.12079","DOIUrl":"https://doi.org/10.1002/ejsc.12079","url":null,"abstract":"It is widely accepted that mental representations can have an important influence on motor performance. Although differences in mental representations of motor tasks have been reported between novices and experts, little is known about their development as a function of motor learning approaches. The aim of this study was to compare the effects of contextual interference (CI) and differential learning (DL) on the performance and mental representations in a golf putting task. A total of 40 participants were randomly assigned into four groups: blocked contextual interference (BCI), random contextual interference (RCI), DL, and control. First, the participant's initial mental representation level was tested by means of the structural dimensional analysis of mental representation. Then, the participant's initial performance level was tested by 12 golf‐putting trials from 2.44 m. During the acquisition phase, participants practiced golf putting according to their grouping for three consecutive days with 10 blocks of 12 trials per day. No intervention was applied for the control group. The retention‐tests were performed 72 h after the last acquisition day. In addition, a transfer test to a novel distance outside the acquired range (4 m) was performed immediately after the retention‐test. The results of the putting performance in the retention test showed that RCI and DL performed better compared to BCI and the control group (all p < 0.05). In the transfer test, BCI and RCI outperformed the control group (all p < 0.05), but both were further outperformed by the DL group (all p < 0.05). Moreover, the DL group showed a more structured mental representation than the other groups during the retention test. These results indicated that DL used a different underlying mechanism that resulted in different levels of performance during transfer and a more structured mental representation compared with CI.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139781942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Effect of hypoxic sprint interval exercise and normoxic recovery on performance and acute physiological responses 低氧短跑间歇运动和常氧恢复对运动表现和急性生理反应的影响

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2024-02-09 DOI: 10.1002/ejsc.12076

Naoya Takei, Gaku Kakehata, Takeru Inaba, Yuki Morita, Hinata Sano, Olivier Girard, Hideo Hatta

{"title":"Effect of hypoxic sprint interval exercise and normoxic recovery on performance and acute physiological responses","authors":"Naoya Takei, Gaku Kakehata, Takeru Inaba, Yuki Morita, Hinata Sano, Olivier Girard, Hideo Hatta","doi":"10.1002/ejsc.12076","DOIUrl":"https://doi.org/10.1002/ejsc.12076","url":null,"abstract":"Hypoxic exercise, which can induce arterial and tissue deoxygenation, promotes physiological adaptations. However, reduced oxygen availability can lower the absolute training intensity (i.e., mechanical stress). Adding normoxic recovery to sprint interval exercise (SIE) is one potential approach to strike a balance between providing a hypoxic stimulus and maintaining the absolute training intensity. However, the effects of adding normoxic recovery to SIE on performance and physiological responses are uncertain. We tested the hypothesis that hypoxic SIE with normoxic recovery enhances arterial deoxygenation and muscle deoxygenation levels without impeding performance compared to an entirely normoxic condition. On separate days, seven male sprinters performed 4 × 30‐s ‘all‐out’ cycle sprints with 4.5‐min recovery with hypoxic exposure (FiO2: 12.7%O2) applied continuously (hypoxia, HYP), intermittently during sprint periods only (intermittent, INT), or not at all (normoxia, NOR). Power output, oxygen saturation, muscle oxygenation, surface electromyography (EMG) activity, heart rate, blood lactate concentration, and ratings of perceived exertion were measured. The total work significantly decreased in HYP than NOR (p < 0.05) and INT (p < 0.01). The aTrterial oxygen saturation was lower during HYP than NOR (∼86% vs. ∼97%; p < 0.001), while lower values were also obtained for INT than NOR during sprint periods (∼85% vs. ∼97%; p < 0.001) but not during recovery periods (∼96% vs. ∼97%). The heart rate differed (p < 0.05) between conditions (NOR: ∼164 bpm; INT: ∼160 bpm; HYP: ∼156 bpm). No other variables demonstrated significant differences between conditions. Adding hypoxia during exercise while recovering in normoxia did not compromise exercise capacity during SIE, despite inducing larger arterial deoxygenation levels compared to normoxia.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139787623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Contribution of different strength determinants on distinct phases of Olympic rowing performance in adolescent athletes. 不同力量决定因素对青少年运动员奥运会赛艇表现不同阶段的贡献。

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2023-12-01 Epub Date: 2023-07-10 DOI: 10.1080/17461391.2023.2230937

Romina Ledergerber, Mats Willem Jacobs, Ralf Roth, Moritz Schumann

{"title":"Contribution of different strength determinants on distinct phases of Olympic rowing performance in adolescent athletes.","authors":"Romina Ledergerber, Mats Willem Jacobs, Ralf Roth, Moritz Schumann","doi":"10.1080/17461391.2023.2230937","DOIUrl":"10.1080/17461391.2023.2230937","url":null,"abstract":"Aerobic metabolism dominates Olympic rowing, but research on the relative contribution of strength and power demands is limited. This study aimed to identify the contribution of different strength determinants for distinct phases of rowing ergometer performance. The cross-sectional analysis comprised of 14 rowing athletes (4 female, 10 male, age: 18.8 ± 3.0y, 16.9 ± 2.2y). Measurements included anthropometrics, maximal strength of leg press, trunk extension and flexion, mid-thigh pull (MTP) and handgrip strength, VO2max, and a 2000 m time trial, where peak forces at the start, middle and end phase were assessed. Additionally, rate of force development (RFD) was assessed during the isometric leg press and MTP with intervals of 150, 350 ms and 150, 300 ms, respectively. Stepwise regression models for ergometer performance showed that the start phase was mainly explained by maximal trunk extension and RFD 300 ms of MTP (R2 = 0.91, p < 0.001) and the middle section by VO2max, maximal leg press strength and sitting height (R2 = 0.84, p < 0.001). For the end phase, a best fit was observed for trunk flexion, RFD 350 ms of leg press, body height and sex (R2 = 0.97 p < 0.001), whereas absolute VO2max, trunk flexion and sex explained variance over the entire 2000 m time trial (R2 = 0.98, p < 0.001). It appears that for the high acceleration in the start phase, force transmission through maximum strength for trunk extension is essential, while fast power production along the kinetic chain is also relevant. Additionally, the results support that maximal force complements the reliance on VO2max. Further intervention studies are needed to refine training recommendations.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9756852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

A single dose of dihydrocapsiate does not improve neuromuscular performance in resistance-trained young adults: A randomised, triple-blinded, placebo-controlled, crossover trial. 一项随机、三盲、安慰剂对照、交叉试验:单剂量的二氢capate不能改善抗阻训练的年轻人的神经肌肉表现。

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2023-12-01 Epub Date: 2023-08-23 DOI: 10.1080/17461391.2023.2229854

Francisco J Osuna-Prieto, Darío Milla-Martín, Sergio Miras-Moreno, Lucas Jurado-Fasoli, Mauricio Ramírez-Maldonado, Marcos A Soriano, Amador Garcia-Ramos, Jonatan R Ruiz, Francisco J Amaro-Gahete

{"title":"A single dose of dihydrocapsiate does not improve neuromuscular performance in resistance-trained young adults: A randomised, triple-blinded, placebo-controlled, crossover trial.","authors":"Francisco J Osuna-Prieto, Darío Milla-Martín, Sergio Miras-Moreno, Lucas Jurado-Fasoli, Mauricio Ramírez-Maldonado, Marcos A Soriano, Amador Garcia-Ramos, Jonatan R Ruiz, Francisco J Amaro-Gahete","doi":"10.1080/17461391.2023.2229854","DOIUrl":"10.1080/17461391.2023.2229854","url":null,"abstract":"Capsinoids may exert ergogenic effects on resistance exercises. However, the acute effects of capsinoids on neuromuscular performance in humans are unknown. Here, we aimed to investigate the acute effects of dihydrocapsiate on lower- and upper-body neuromuscular performance parameters in resistance-trained individuals. 25 young adults (n = 6 women; age = 26 ± 3 years; body mass index = 24.3 ± 2.8 kg/m2) with ≥ 1-year resistance training experience were included in this triple-blind (participants, intervention researchers, and data analysts were blinded), placebo-controlled, crossover study. Lower- and upper-body ballistic strength (countermovement jump [CMJ] height and bench press throw [BPT] peak velocity), maximum dynamic strength (estimated 1 repetition maximum in squat and bench press [BP]), and strength-endurance (mean set velocity [squat] and number of repetitions to failure [bench press]) were assessed in 2 independent sessions (≥7 days separation). Participants ingested 12 mg of dihydrocapsiate or placebo 30 min before each trial. We found no significant differences between dihydrocapsiate and placebo conditions in ballistic strength, (CMJ height 33.20 ± 8.07 vs 33.32 ± 7.85 cm; BPT peak velocity 2.82 ± 0.77 vs 2.82 ± 0.74 m/s) maximal dynamic strength (estimated squat 1RM: 123.76 ± 40.63 vs 122.66 ± 40.97 kg; estimated BP 1RM: 99.47 ± 43.09 vs 99.60 ± 43.34 kg), and strength-endurance (squat mean set velocity 0.66 ± 0.07 vs 0.66 ± 0.05 m/s; number BP repetitions to failure 13.00 ± 3.56 vs 13.00 ± 4.78) (all P ≥ 0.703). We conclude that dihydrocapsiate does not acutely improve neuromuscular performance in trained young adults.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10058729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Pistachios as a recovery food following downhill running exercise in recreational team-sport individuals. 开心果作为休闲团队运动个人下坡跑步运动后的恢复食物。

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2023-12-01 Epub Date: 2023-08-18 DOI: 10.1080/17461391.2023.2239192

Jordan Philpott, Mark Kern, Shirin Hooshmand, Imogene Carson, Vernon Rayo, Elise North, Lauren Okamoto, Timothy O'Neil, Mee Young Hong, Changqi Liu, Gillian Dreczkowski, Nidia Rodriguez-Sanchez, Oliver C Witard, Stuart D Galloway

{"title":"Pistachios as a recovery food following downhill running exercise in recreational team-sport individuals.","authors":"Jordan Philpott, Mark Kern, Shirin Hooshmand, Imogene Carson, Vernon Rayo, Elise North, Lauren Okamoto, Timothy O'Neil, Mee Young Hong, Changqi Liu, Gillian Dreczkowski, Nidia Rodriguez-Sanchez, Oliver C Witard, Stuart D Galloway","doi":"10.1080/17461391.2023.2239192","DOIUrl":"10.1080/17461391.2023.2239192","url":null,"abstract":"We aimed to investigate the impact of pistachio nut consumption on muscle soreness and function following exercise-induced muscle damage. Using a randomised cross-over design, male team-sport players (n = 18) performed a 40-minute downhill treadmill run to induce muscle damage, which was conducted after 2-wks of consuming either control (CON, water), a standard dose of daily pistachios (STD, 42.5 g/d) or a higher dose of daily pistachios (HIGH, 85 g/d). Lower limb muscle soreness (visual analogue scale), muscle function (maximal voluntary isokinetic torque and vertical jump), and blood markers of muscle damage/inflammation (creatine kinase, C-reactive protein, myoglobin, superoxide dismutase) were measured pre (baseline) and post (24, 48, and 72 h) exercise. No trial order effects were observed for any outcome measurement across trials. Mean quadriceps soreness (non-dominant leg) during exercise recovery was reduced (p < 0.05) in HIGH vs. CON (mean difference (95%CI): 13(1-25) mm). Change in soreness in the dominant quadriceps was not different between HIGH vs. CON (p = 0.06; mean difference (95%CI): 13(-1 to 26 mm)). No main effects of time or trial were observed for mean soreness of hamstrings, or on isokinetic torque of knee extensors or knee flexors, during recovery. Serum creatine kinase concentration peaked at 24 h post-damage (mean(SEM): 763(158)µg/L) from baseline (300(87)µg/L), but had returned to baseline by 72 h post (398(80)µg/L) exercise in all trials, with no trial or trial × time interaction evident. These data suggest that high dose pistachio nut ingestion may provide some alleviation of muscle soreness, but no effect on muscle function, following modest muscle damage.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10083114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Effect of individualised strength and plyometric training on the physical performance of basketball players. 个性化力量和增强训练对篮球运动员体能表现的影响。

IF 3.2 3区医学

European Journal of Sport Science Pub Date : 2023-12-01 Epub Date: 2023-07-30 DOI: 10.1080/17461391.2023.2238690

Francisco J Barrera-Domínguez, Bartolomé J Almagro, Eduardo Sáez de Villarreal, Jorge Molina-López

{"title":"Effect of individualised strength and plyometric training on the physical performance of basketball players.","authors":"Francisco J Barrera-Domínguez, Bartolomé J Almagro, Eduardo Sáez de Villarreal, Jorge Molina-López","doi":"10.1080/17461391.2023.2238690","DOIUrl":"10.1080/17461391.2023.2238690","url":null,"abstract":"The aims of this study were to examine the effects of eight weeks of individualised force-velocity imbalance (F-Vimb) training on physical performance in basketball players and to analyse the differences in physical performance between two periods of time (four to eight weeks) with this training. Thirty male players (age, 22.8 ± 5.68 years; height, 1.87 ± 0.07 m; body mass, 86.3 ± 11.1 kg) were divided into an intervention group (INT, n = 15), who performed an individualised training based on individual F-Vimb; and a control group (CON, n = 15), who underwent a non-individualised training programme; both groups performed two days/week of intervention and the same pre-season basketball training. At baseline, at four weeks, and at eight weeks of intervention, an assessment was performed including countermovement-jumps, unilateral drop jumps, triple hop test, force-velocity profile, sprint and change of direction (COD). At four weeks, the INT showed improvements in sprint and vertical jumping actions (≥3.76%, ES ≥0.44, p ≤ 0.02). At eight weeks, the INT continued to improve vertical jumping actions (p < 0.05) and showed improvements in horizontal jumping (6.80%, ES = 0.45, p < 0.01) and COD (≥2.99%, ES ≥0.96, p < 0.01). A significant reduction in F-Vimb was observed for INT (ES = 0.77, p = 0.01). In contrast, none of these changes were observed in CON. Thus, an individualised F-Vimb training intervention improved physical performance after eight weeks, with changes in sprint and vertical jump after first four weeks. Basketball coaches should optimise the force-velocity profile and improve the performance in sport-related actions as jumping and changing direction.","PeriodicalId":12061,"journal":{"name":"European Journal of Sport Science","volume":null,"pages":null},"PeriodicalIF":3.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10269524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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