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

Crewther, Blair T.; Pastuszak, Anna; Sadowska, Dorota; Górski, Michał; Cook, Christian J.

doi:10.1016/j.physbeh.2022.113816

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Cited by 3 publications

References 48 publications

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Relationship Between Digit Ratio (2D:4D) and Anaerobic-based Physical Fitness Tests in Children

Azam,

Zainuddin,

Zulkiflee

et al. 2023

Lecture Notes in Bioengineering

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Relationship Between Digit Ratio (2D:4D) and Anaerobic-based Physical Fitness Tests in Children

Azam,

Zainuddin,

Zulkiflee

et al. 2023

Lecture Notes in Bioengineering

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Disaggregating the influence of maturity status on training, anthropometric, performance, skeletal periphery, and hormonal factors in athletic boys

Crewther,

Pastuszak,

Cook

et al. 2024

Physiology & Behavior

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Physical Determinants of Sprint and Long Jump Performance in Male Youth Track-and-Field Athletes With Differing Maturity Statuses

Baker,

Read,

Graham-Smith

et al. 2024

Pediatric Exercise Science

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Purpose: This study examined the physical determinants of 60-m sprint and long jump (LJ) performance and differences between maturity groups in physical characteristics in young male track-and-field athletes. Methods: Competition results, countermovement jump, isometric leg press, 10-5 repeated jump test, and 50-m sprint were collected over 3 seasons for 54 male athletes (age 13 [1] y; stature 160.0 [8.9] cm; body mass, 48.0 [9.8] kg; percentage predicted adult height 92.2% [5.5%]) grouped by maturity status: approaching- (n = 16), circa- (n = 19), and post-peak height velocity (PHV) (n = 19). Results: There were significant between-group differences in 60 m, LJ, and all physical testing variables (P < .001, g = 0.88–5.44) when comparing the approaching- and circa-PHV groups with the post-PHV group. Significant differences were identified between the approaching- and circa-PHV groups in 40-m (P = .033, g = 0.89), 50-m (P = .024, g = 1.64), and 60-m (P < .001, g = 0.89) sprint times. Countermovement jump and 50-m sprint variables were consistently important for projection of 60 m and LJ performance across the valid multivariate models. Conclusions: Large differences in performance across maturity groups highlight the importance of understanding athletes’ maturity status to accurately interpret performance. Several physical performance variables were important for projecting competition 60 m and LJ performance.

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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

Cited by 3 publications

References 48 publications

Relationship Between Digit Ratio (2D:4D) and Anaerobic-based Physical Fitness Tests in Children

Relationship Between Digit Ratio (2D:4D) and Anaerobic-based Physical Fitness Tests in Children

Disaggregating the influence of maturity status on training, anthropometric, performance, skeletal periphery, and hormonal factors in athletic boys

Physical Determinants of Sprint and Long Jump Performance in Male Youth Track-and-Field Athletes With Differing Maturity Statuses

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