A repeated shuttle sprint test with female and male international field hockey players is reliable and associated with single sprint but not intermittent endurance performance

Goods, Paul S.R.; McKay, Alannah K A; Appleby, B.; Veli, David; Peeling, Peter; Jennings, Denise

doi:10.1371/journal.pone.0271244

Cited by 6 publications

(1 citation statement)

References 34 publications

(65 reference statements)

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“…In the context of sport competition, the ability to quantify performance-based differences, as they relate to neuromuscular activity and postural control, across elite professional athletes with and without specialized training, should provide insight into nuanced motor control strategy. The comparison of elite athletes of the same sport, where specialization is position-specific, may result in findings that can be integrated into coaching strategy ( McGuinness et al, 2020 ; Goods et al, 2022 ).…”

Section: Introductionmentioning

confidence: 99%

Sleep-push movement performance in elite field hockey champions with and without training specialization

Cosendey,

Mongold,

Petieau

et al. 2023

Front. Psychol.

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ObjectiveTo investigate kinematic and muscle activity differences during the sleep-push movement in elite field hockey players. We hypothesized that players with specialized sleep-push movement training (specialists) would possess a lower center of mass (CoM) and enhanced reproducibility of muscle activations during the movement, compared to players without explicit movement training (non-specialists).MethodsTen field hockey players of the Belgian national field hockey team performed the sleep-push movement (5 specialists and 5 non-specialists). Muscle activity and kinematic data were recorded using EMG to evaluate the reproducibility of muscle activations by cross-correlation analysis and power spectral features across the movement, while a motion capture system was used to assess kinematics.ResultsCompared to non-specialists, specialists had significantly (p < 0.05) increased stick velocity (9.17 ± 1.28 m/s versus 6.98 ± 0.97 m/s) and lower CoM height (141 ± 52 mm versus 296 ± 64 mm), during the second part of the shot. Specialists also showed a significant (p < 0.05) lower power spectrum in the activity of the upper limb muscles before the shot. Superimposition of the auto crosscorrelation results demonstrated a high degree of reproducibility in specialists’ muscle activations.ConclusionSleep-push movements realized by elite players who are specialists in the sleep-push movement presented significant kinematics and muscular activation differences when compared to the sleep-push movements realized by elite players who were not specialists in such movement. Characterization of the specific movement and the related high-level performer’s muscular strategies offers the possibility of translating sport science findings into functional training with concrete applications for coaches, players, and other key stakeholders for the continued development of the field.

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Section: Introductionmentioning

confidence: 99%

Sleep-push movement performance in elite field hockey champions with and without training specialization

Cosendey,

Mongold,

Petieau

et al. 2023

Front. Psychol.

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Sweat Characteristics and Fluid Balance Responses During Two Heat Training Camps in Elite Female Field Hockey Players

Goods,

Wall,

Galna

et al. 2024

International Journal of Sport Nutrition and Exercise Metabolism

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We examined the sweat characteristics and fluid balance of elite female field hockey players during two heat training camps. Fourteen elite female field hockey players from the Australian national squad participated in two heat training camps held ∼6 months apart, following winter- (Camp 1) and summer-based training (Camp 2). Daily waking body mass (BM) and urine specific gravity (USG) were collected, along with several markers of sweat and fluid balance across two matches per camp. There was a 19% mean reduction in estimated whole-body sweat sodium concentration from Camp 1 (45.8 ± 6.5 mmol/L) to Camp 2 (37.0 ± 5.0 mmol/L; p < .001). Waking urine specific gravity ≥ 1.020 was observed in 31% of samples, with no significant differences in mean urine specific gravity or BM between camps (p > .05), but with substantial interindividual variation. Intramatch sweat rates were high (1.2–1.8 L/hr), with greater BM losses in Camp 1 (p = .030), resulting in fewer players losing ≥2% BM in Camp 2 (0%–8%), as compared with Camp 1 (36%–43%; p = .017). Our field data suggest that elite female field hockey players experience substantial sweat losses during competition in the heat regardless of the season. In agreement with previous findings, we observed substantial interindividual variation in sweat and hydration indices, supporting the use of individualized athlete hydration strategies.

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Repeated Sprint Training in Hypoxia Improves Repeated Sprint Ability to Exhaustion Similarly in Active Males and Females

PIPERI,

WARNIER,

VAN DOORSLAER DE TEN RYEN

et al. 2024

Medicine &Amp; Science in Sports &Amp; Exercise

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Purpose The aim of this study was to compare the physiological adaptations of males and females to repeated sprint training in hypoxia. Methods Active males and females completed 7 weeks of repeated sprint training in normoxia (RSN, FiO2 = 0.209, males: n = 11, females: n = 8) or hypoxia (RSH, FiO2 = 0.146, males: n = 12, females: n = 10). Before (Pre-) and after (Post-) training, a repeated sprint ability test (RSA) was performed (10 s cycle sprints with 20 s recovery between sprints, until exhaustion), and aerobic and anaerobic qualities were evaluated in normoxia. Results The number of sprints during RSA increased after training in HYP from 11 to 21 in males and from 8 to 14 in females (p < 0.001, CI = [5, 11]), without significant changes after RSN (10 vs 14 and 8 vs 10 in males and females, respectively). No improvements in mean or peak power output were found in either group. Total work during RSA improved after training in all groups (+9 ± 2 kJ, p < 0.001). Tissue saturation index (TSI) during the repeated sprints was higher in females than males (+10 ± 2 %, p < 0.001). The difference in TSI between the recovery and sprint phases remained unchanged after training. VO2peak during an incremental exercise test increased in all groups (+3 ± 1 ml·kg-1·min-1, p = 0.039). Mean power output during a Wingate test also increased in both males and females in RSN and RSH (+0.38 ± 0.18 W·kg-1, p = 0.036). No changes were observed in hematological parameters after training. Conclusions Seven weeks of RSH further increased the number of repeated sprints performed to exhaustion compared to RSN in females, in the same order of magnitude as in males.

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A repeated shuttle sprint test with female and male international field hockey players is reliable and associated with single sprint but not intermittent endurance performance

Cited by 6 publications

References 34 publications

Sleep-push movement performance in elite field hockey champions with and without training specialization

Sleep-push movement performance in elite field hockey champions with and without training specialization

Sweat Characteristics and Fluid Balance Responses During Two Heat Training Camps in Elite Female Field Hockey Players

Repeated Sprint Training in Hypoxia Improves Repeated Sprint Ability to Exhaustion Similarly in Active Males and Females

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