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Relationship between a body shape index and muscle strength index in Chinese university students: a cross-sectional survey
ConclusionThe ABSI of Chinese university students showed an inverted “U”-shaped curve relationship with MSI, and university students with low or high ABSI had lower MSI. The effect of increasing ABSI on the decrease of MSI was more obvious for girls than for boys. (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 15, 2024 Category: Sports Medicine Source Type: research

In which rounds were the most rotations of key players made, and how did this affect physical activity? Analysis of the eight best teams of the 2018 FIFA world cup Russia
ConclusionsCoaches and coaching staff should incorporate squad rotation that includes a large group of players in their team management to improve their success. Team management expertise in player rotation during matches played over congested schedules at top tournaments maintains high levels of physical activity indicators (TDC, HIR, and sprints). (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 15, 2024 Category: Sports Medicine Source Type: research

Comparison of the level of physical activity after the COVID-19 pandemic in Poland, Slovakia and the Czech Republic
ConclusionsSignificant differences in PA levels between the Czech Republic, Poland, and Slovakia university students were identified. Slovakia showed the highest median PA measured as a MET score, and Poland showed the lowest. Compared to available pre-COVID studies it seems the total level of PA in the observed cohorts has not returned to the pre-COVID levels and students remain less active. (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 15, 2024 Category: Sports Medicine Source Type: research

Mental health problems, sleep quality and overuse injuries in advanced Swedish rock-climbers – the CLIMB study
ConclusionThe overall results indicate high levels of symptoms of mental health problems and poor sleep quality in both rock-climbers and controls. Although no significant differences between the climbing group and the control group was displayed, symptoms that warrant clinical attention is high. Overuse injuries were commonly reported among the rock-climbers in all examined injury locations. Previous studies reporting mental health problems to be more prevalent among athletes were contradicted in this study. The results display the need for a broader perspective regarding climbers general health and the need to provide st...
Source: BMC Sports Science, Medicine and Rehabilitation - February 12, 2024 Category: Sports Medicine Source Type: research

Relationship between maximal oxygen uptake, within-set fatigue and between-set recovery during resistance exercise in resistance-trained men and women
ConclusionsOur study suggests that aerobic capacity is weakly associated with within-set fatigue and between-set recovery in resistance training in both men and women. Women and men show comparable levels of within-set fatigue in the multi-joint squat, but women show more within-set fatigue during the single-joint isokinetic knee extension compared with men. In contrast, women recover better than men between sets in both exercises. (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 12, 2024 Category: Sports Medicine Source Type: research

Relationship between shoulder and elbow range of motion and ultrasonographic structural abnormalities in the elbow of Taiwanese high school baseball players
ConclusionFor Taiwan high school pitchers, longer official baseball experience, decreased shoulder total rotational angle, and decreased elbow total flexion/extension angle, were related to ultrasonographic structural abnormalities in elbows. (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 12, 2024 Category: Sports Medicine Source Type: research

The COVID-19 lockdown as a model of detraining in division 1  college softball players
ConclusionA sudden and prolonged cessation of organized training generated changes in shoulder and hip ROM but affected strength to a lesser extent. The loss of shoulder ER and increased lead hip IR ROM are maladaptive as they are associated with injury in overhead athletes. Resuming team-organized training and scrimmage reversed some (shoulder ER), but not all of these changes. Practitioners should monitor clinical variables regularly and be aware of potential changes due to unexpected and prolonged interruptions in training, such as when players suffer sports-related injuries. (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 10, 2024 Category: Sports Medicine Source Type: research

The impact of strategic napping on peak expiratory flow and respiratory function in young elite athletes
This study investigates the effects of nap duration on the respiratory function of young elite athletes who have achieved top rankings national competitions. Participants engage in three test sessions with varying nap durations: no nap (N0), a 25-minute nap (N25), and a 45-minute nap (N45), with a minimum 72-hour interval between sessions. Respiratory parameters including Forced Vital Capacity (FVC), Forced Expiratory Volume in one second (FEV1), FEV1/FVC ratio, Peak Expiratory Flow rate (PEF), Forced Expiratory Flow at 25 –75% of FVC (FEF25-75%), and Forced Expiratory Time (FET) are assessed. Results reveal a significan...
Source: BMC Sports Science, Medicine and Rehabilitation - February 9, 2024 Category: Sports Medicine Source Type: research

Nose vs. mouth breathing – acute effect of different breathing regimens on muscular endurance
ConclusionIt seems, that various breathing regimens have none or only minor effect on muscular endurance performance and selected physiological parameters. NN seems to be as efficient as other two regimens, which are mostly used in practice (NM, MM). (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 9, 2024 Category: Sports Medicine Source Type: research

Investigation of inter-rater and test-retest reliability of Y balance test in college students with flexible flatfoot
ConclusionsThe YBT-LQ has “good” to “excellent” inter-rater and test-retest reliability. It appears to be a reliable assessment to use with college students with flexible flatfoot.Trial registrationThis trial was prospectively registered at the Chinese Clinical Trial Registry with the ID number ChiCTR2300075906 on 19/09/2023. (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 8, 2024 Category: Sports Medicine Source Type: research

The effect of high-intensity intermittent and moderate-intensity continuous exercises on neurobiological markers and cognitive performance
ConclusionHIIE and MICE have favorable effects on improving cognitive performance and neuroprotection in an athlete population. HIIE is considered to be superior to MICE in improving neuroprotection and cognitive performance. Our study has remarkable results demonstrating the benefits of HIIT on neuroprotection and cognitive performance. HIIE is recommended instead of MICE, especially in sports where cognitive performance is more important. (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 7, 2024 Category: Sports Medicine Source Type: research

Effect of exercise on functional capacity and body weight for people with hypertension, type 2 diabetes, or cardiovascular disease: a systematic review with meta-analysis and trial sequential analysis
ConclusionExercise seemed to improve functional capacity for people with hypertension, type 2 diabetes, and/or cardiovascular disease but the effectiveness seems to vary with different forms of exercise. The potentially superior improvement in VO2max and 6MWT by body-mind therapies and inspiratory muscle training calls for further exploration. Additionally, prescribing exercise for the sole purpose of losing weight may be a potential strategy for people with hypertension and type 2 diabetes. The extent of improvement in functional capacity and body weight reduction differed with different exercise regimens hence personalis...
Source: BMC Sports Science, Medicine and Rehabilitation - February 7, 2024 Category: Sports Medicine Source Type: research

Effects of plyometric jump training on measures of physical fitness and lower-limb asymmetries in prepubertal male soccer players: a randomized controlled trial
ConclusionsThe incorporation of PJT into the training schedules of prepubertal male soccer players resulted in positive effects on various measures of physical fitness. Furthermore, our findings suggest that PJT can reduce lower-limb asymmetry, which could potentially decrease the risk of lower limb injuries.Trial registrationThis study does not report results related to healthcare interventions using human participants and therefore it was not prospectively registered. (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 6, 2024 Category: Sports Medicine Source Type: research

The effectiveness of fatigue on repositioning sense of lower extremities: systematic review and meta-analysis
ConclusionFatigue can diminish the active joint position sense of the lower extremities and thus may increase the risk of injury by reducing proprioception. Therefore, future research could be conducted to investigate the potential impact of integrated fatigue-mitigating exercises into athletes ’ training programs, with the aim of reducing the incidence of sports-related injuries. (Source: BMC Sports Science, Medicine and Rehabilitation)
Source: BMC Sports Science, Medicine and Rehabilitation - February 5, 2024 Category: Sports Medicine Source Type: research

The origin of the maximal lactate steady state (MLSS)
AbstractThe maximal lactate steady state, abbreviated as MLSS, is the maximal exercise intensity where the concentration of earlobe capillary or arterial blood lactate remains constant over time. In the late 1970s and early 1980s, we (i.e. Hermann Heck and co-workers) developed a direct test to determine the MLSS to investigate whether it occurred at a lactate concentration of 4 mmol.L− 1, as earlier predicted by Alois Mader and colleagues. The test consisted of each participant performing several constant-intensity running bouts of ≈ 30 min at intensities close to the estimated MLSS. During each run, we measured ...
Source: BMC Sports Science, Medicine and Rehabilitation - February 5, 2024 Category: Sports Medicine Source Type: research