Search Results - "Crewther, Blair T."

Monitoring Training Load, Recovery-Stress State, Immune-Endocrine Responses, and Physical Performance in Elite Female Basketball Players During a Periodized Training Program by Nunes, João A, Moreira, Alexandre, Crewther, Blair T, Nosaka, Ken, Viveiros, Luis, Aoki, Marcelo S

“…ABSTRACTNunes, JA, Moreira, A, Crewther, BT, Nosaka, K, Viveiros, L, and Aoki, MS. Monitoring training load, recovery-stress state, immune-endocrine responses,…”
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Disentangling the dynamic interplay between muscle damage and energetics in male boxers during a short training block by Obmiński, Zbigniew, Crewther, Blair T, Cook, Christian J

“…Boxing is a combat sport linked to muscle damage (e.g., soreness, rising creatine kinase [CK]) and energetic biomarkers (e.g., urea, glucose). These factors…”
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Quantifying positional and temporal movement patterns in professional rugby union using global positioning system by Jones, Marc R., West, Daniel J., Crewther, Blair T., Cook, Christian J., Kilduff, Liam P.

“…This study assessed the positional and temporal movement patterns of professional rugby union players during competition using global positioning system (GPS)…”
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Associations between the Big Five personality traits, testosterone, and cortisol in adolescent male athletes by Crewther, Blair T, Obmiński, Zbigniew, Turowski, Dariusz, Szczepańska, Beata, Mroczkowska, Helena

“…Testosterone (T) has been conceptualized as a biomarker of individual differences, yet T associations with the Big Five personality traits are inconsistent…”
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The Acute Potentiating Effects of Back Squats on Athlete Performance by Crewther, Blair T, Kilduff, Liam P, Cook, Christian J, Middleton, Matt K, Bunce, Paul J, Yang, Guang-Zhong

“…Crewther, BT, Kilduff, LP, Cook, CJ, Middleton, MK, Bunce, PJ, and Yang, G-Z. The acute potentiating effects of back squats on athlete performance. J Strength…”
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Relationships Between Force–Time Characteristics of the Isometric Midthigh Pull and Dynamic Performance in Professional Rugby League Players by West, Daniel J, Owen, Nick J, Jones, Marc R, Bracken, Richard M, Cook, Christian J, Cunningham, Dan J, Shearer, David A, Finn, Charlotte V, Newton, Robert U, Crewther, Blair T, Kilduff, Liam P

“…West, DJ, Owen, NJ, Jones, MR, Bracken, RM, Cook, CJ, Cunningham, DJ, Shearer, DA, Finn, CV, Newton, RU, Crewther, BT, and Kilduff, LP. Relationships between…”
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Serum cortisol as a moderator of the relationship between serum testosterone and Olympic weightlifting performance in real and simulated competitions by Crewther, Blair T, Obmiński, Zbigniew, Cook, Christian J

“…Some equivocality exists regarding the effect of testosterone (T) on competitive performance with cortisol (C) implicated as a moderating factor. This study…”
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Individual variation in the cortisol response to a simulated Olympic weightlifting competition is related to changes in future competitive performance by Crewther, Blair T, Cook, Christian, Orysiak, Joanna, Zmijewski, Piotr, Obmiński, Zbigniew

“…The cortisol (C) and testosterone (T) responses to experimental stress have been linked to sport and health outcomes several days to years later. Here we…”
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Digit Ratio (2D:4D), Aggression, and Testosterone in Men Exposed to an Aggressive Video Stimulus by Kilduff, Liam P., Hopp, Renato N., Cook, Christian J., Crewther, Blair T., Manning, John T.

“…The relative lengths of the 2nd and 4th digits (2D:4D) is a negative biomarker for prenatal testosterone, and low 2D:4D may be associated with aggression…”
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Disaggregating the influence of maturity status on training, anthropometric, performance, skeletal periphery, and hormonal factors in athletic boys by Crewther, Blair T, Pastuszak, Anna, Cook, Christian J, Staniak, Zbigniew

“…•Maturity offset is often used to assess maturational status among youth athletes.•Older post-PHV boys were larger, with better performance and skeletal…”
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Skill execution and sleep deprivation: effects of acute caffeine or creatine supplementation - a randomized placebo-controlled trial by Cook, Christian J, Crewther, Blair T, Kilduff, Liam P, Drawer, Scott, Gaviglio, Chris M

“…We investigated the effects of sleep deprivation with or without acute supplementation of caffeine or creatine on the execution of a repeated rugby passing…”
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A longitudinal analysis of salivary testosterone concentrations and competitiveness in elite and non-elite women athletes by Crewther, Blair T., Cook, Christian J.

“…There is evidence linking women's testosterone (T) to competitive behaviours in sport and exercise. To advance this work, we examined the longitudinal…”
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The impact of a competitive learning environment on hormonal and emotional stress responses and skill acquisition and expression in a medical student domain by Cook, Christian J., Crewther, Blair T.

“…The concept of competition has implications for educational contexts, as hormonal and emotional changes under competitive stress can modulate learning and…”
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The digit ratio (2D:4D) and testosterone co-predict vertical jump performance in athletic boys: Evidence of organizational and activational effects of testosterone on physical fitness by Crewther, Blair T., Pastuszak, Anna, Sadowska, Dorota, Górski, Michał, Cook, Christian J.

“…•Boy's 2D:4D is related to physical fitness due to organizing effects of testosterone.•Activational effects of testosterone on body size can also affect…”
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Menstrual variation in the acute testosterone and cortisol response to laboratory stressors correlate with baseline testosterone fluctuations at a within- and between-person level by Cook, Christian J, Fourie, Phillip, Crewther, Blair T

“…Studies have compared HPA and HPG stress reactivity across the follicular and luteal phases to assess the menstrual impact of estradiol and progesterone…”
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Medical students preferring a surgical or non-surgical elective differ in their emotional and hormonal responses to a psychological stressor by Crewther, Blair T., Cook, Christian J.

“…This study examined a possible link between the elective preferences of medical students (surgical vs. non-surgical) and their emotional and hormonal responses…”
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Within- and between-person variation in morning testosterone is associated with economic risk-related decisions in athletic women across the menstrual cycle by Cook, Christian J., Crewther, Blair T.

“…Literature suggests that women experience ovulatory shifts in risk-taking behaviours across different domains, which might be partly attributed to changes in…”
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The digit ratio (2D:4D) relationship with testosterone is moderated by physical training: Evidence of prenatal organizational influences on activational patterns of adult testosterone in physically-active women by Crewther, Blair T., Cook, Christian J.

“…The 2nd to 4th digit ratio (2D:4D) is regarded as a sexually dimorphic trait governed by prenatal testosterone (T) and estradiol exposure. However,…”
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The effects of different pre-game motivational interventions on athlete free hormonal state and subsequent performance in professional rugby union matches by Cook, Christian J, Crewther, Blair T

“…Abstract We examined the effect of different pre-match motivational interventions on athlete free testosterone (T) and cortisol (C) concentrations and…”
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A longitudinal investigation of bidirectional and time-dependent interrelationships between testosterone and training motivation in an elite rugby environment by Crewther, Blair T., Hecht, Martin, Potts, Neill, Kilduff, Liam P., Drawer, Scott, Cook, Christian J.

“…In sport, testosterone has been positioned as a substrate for motivation with both directional and time dependencies. However, evidence is scarce when…”
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