Influence of digit ratio (2D:4D) on reaction time and athletic sprint performance: A short term pilot study

Tambe, M K; Turankar, Avinash Vikram; Lingawar, S; Dhokane, N B; Pophali, N P; Kherde, P M; Bajaj, Vinay

doi:10.26611/103523

Cited by 3 publications

(7 citation statements)

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“…Taken together, these factors also might mask a potential association between digit ratio and athletic performance in many sports. Recently, a growing literature has emerged from studies claiming there is a meaningful negative relationship between the digit ratio and physical performance in both athletic and sedentary group [2,6,9,11]. These studies have suggested results opposite to our findings.…”

Section: Discussioncontrasting

confidence: 88%

“…Digit ratio is one of the best indicators of the level of testosterone and are used as a noninvasive method to assess the level of testosterone on the body [3]. Additionally, the results of digit ratio researches revealed that digits of right hand being a more sensitive indicator to predict the level of testosterone on the body due to the influence of prenatal exposure to testosterone [1,6]. Testosterone is an androgenic sex hormone and one of the most important hormones that assist with muscular growth, thrive, and muscle damage repairs on the human body [2,7].…”

Section: Introductionmentioning

confidence: 99%

“…Numerous cross-sectional studies of the 2D:4D ratios have reported the digit ratios lower in men compared to women because men had a higher testosterone level than women [8]. In the sports science and medicine literature, it is fairly well-known the effect of testosterone on physical performance of both male and female athletes [2,6]. Scientific studies suggested that the higher level of testosterone on the body can lead to increase athletic performance in various sports disciplines such as; team handball, soccer, skiing, rugby [6,[9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

“…In the sports science and medicine literature, it is fairly well-known the effect of testosterone on physical performance of both male and female athletes [2,6]. Scientific studies suggested that the higher level of testosterone on the body can lead to increase athletic performance in various sports disciplines such as; team handball, soccer, skiing, rugby [6,[9][10][11][12]. Some researcher who investigated athletes' digit ratio found a relationship between digit ratio and athletic performance, but others not found [13,14].…”

Section: Introductionmentioning

confidence: 99%

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Digit ratio (2D:4D): relationship with freestyle swimming performance of adolescent well-trained swimmers

Özen

Atar

Koç

2019

PPS

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Purpose: The purpose of this study was to determine whether there was a relationship between the digit ratios and freestyle swimming performance of adolescent well-trained swimmers. Material and Methods: Twenty-two well-trained male swimmers who had at least 3 years of swim training experience were recruited as participants. The participants’ mean age was 14.1±1.5 years, body height was 164.5±11.3 cm, and body mass was 54.4±11.2 kg. Participants’ body height, mass, index finger (2D) and ring finger (4D) lengths were measured and digit ratio (2D:4D) and body mass index of participants was calculated. To determine the swimming performance of participants, the short (50m and 100m) and middle (200m and 400m) distance freestyle time-trial swimming tests were performed on participants. The association between the 2D:4D ratio and the swimming performance were determined by the Pearson correlation coefficient. Results. Our findings indicated that there were strong negative correlations (r > .50) between the mean of BMI and swimming times of adolescent swimmers. ( p > .05 ). However, result of this study revealed no relationship between the digit ratio (2D:4D) and swimming performance in adolescent swimmers. ( p > .05 ). Conclusion. As a result, it may be stated that the 2D:4D ratio of swimmers is not a major parameter in predicting swimming performance for adolescent swimmers.

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Section: Discussioncontrasting

confidence: 88%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Digit ratio (2D:4D): relationship with freestyle swimming performance of adolescent well-trained swimmers

Özen

Atar

Koç

2019

PPS

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“…Interestingly, the methodology of "2D: 4D" was also used by other specialists [46,[48][49][50][51][52]. Kamińska and Szymańska-Parkieta [53] studied a large group of schoolgirls of 13 years old and found that in physically more developed girls, the proportions of the fingers were close to male.…”

Section: Discussionmentioning

confidence: 99%

Individualization of selection and training of female athletes in speed-power athletics from the perspective of gender identity

Vrublevskiy

Skrypko

Asienkiewicz

2020

PES

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Background and Study Aim. To develop and justify the criteria for morphogenetic markers of speed-power abilities of athletes and the main directions of individualization of the process of their preparation, taking into account the characteristics of the female body. Material and Methods. Using the “2D: 4D” determination methodology, finger proportions were analysed for 126 qualified athletes specializing in speed-strength types (sprinting and hurdling, jumping, shot-putting) of different ages (from 17 to 25 years old). For 13 weeks, eight qualified short-distance student runners were regularly tested using computer strain gauge equipment: 5 masculine and 3 feminine types. The tensodynamograms of the manifestation of the strength of muscle groups carrying the main load in the structure of the sprint run were recorded and processed. Results. It was found that 78% of the examined athletes observed finger proportions close to the "male" proportions. This may indicate their certain masculinization. The technique used for this can be an informative and simple marker to predict a genetic predisposition to the ability of effective performance of speed-power work. It was determined that the same amount of power load causes masculine athletes, runners for short distances, a more significant deployment of long-term adaptation restructuring of masculine athletes, runners for short distances, compared with athletes of a different gender identity. Conclusions. Criteria for the prognostic assessment of speed-power abilities of athletes based on simple biological markers for testing and identification, like finger proportions (2D: 4D), have been developed. For athletes of high qualification who have a gender identity similar to men and a masculine somatotype, it is possible to use adapted male techniques for training.

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Variation of Digit Ratio (2d:4d) in Athletes and Differences With Sports Groups

Ramos¹,

García²,

Zuluaga³

et al. 2023

J. Sport Health Res.

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El objetivo de este estudio fue determinar la variación y asociación del índice digital (2D: 4D) de los atletas de la mano derecha (2D: 4DR), mano izquierda (2D: 4DL), el valor medio (2D: 4DM) y la asimetría (2D: 4DA) en diferentes disciplinas deportivas. 1178 atletas de 25 disciplinas deportivas y 29 países se agruparon en cuatro categorías de deportes: Resistencia (n = 267, 22,7%), Potencia (n= 354, 30,1%), Balón (n= 344, 29,2%) y Combate (n= 213, 18,0%). La medición directa de la longitud de los dedos índice y anular de ambas manos se realizó utilizando calibradores digitales electrónicos de precisión. El índice digital se calculó para ambas manos. Los principales resultados fueron: Entre los grupos con la muestra agrupada por sexos, utilizando el ANOVA bidireccional, se encontraron diferencias significativas entre el grupo Balón en comparación a los tres grupos para 2D:4DL y 2D:4DM. En la submuestra de mujeres, el grupo Balón fue significativamente diferente del grupo Resistencia en 2D: 4DR y 2D: 4DM, p= .028, y p= .019, respectivamente; y de los grupos Fuerza y Combate en 2D:4DL y 2D:4DM (p< .01). Dentro de la submuestra de hombres, el grupo Balón fue significativamente diferente de los otros tres grupos en 2D:4DL (p< .01), de los grupos de Resistencia y Fuerza en 2D:4DM (p< .05) y del grupo Combate en 2D:4DA (p= .015). Estos hallazgos sugieren que los deportes de pelota se diferencian de otros deportes en relación con 2D:4D; principalmente en 2D:4DL y 2D:4DM. La no diferencia en 2D:4D entre los grupos de Resistencia, Potencia y Combate apoya la hipótesis de que, además de la carrera de resistencia, otras habilidades están relacionadas con las proporciones de dígitos 2D:4D, estas habilidades pueden involucrar capacidades fisiológicas o características psicológicas. Estos resultados tienen varias implicaciones importantes en la detección y selección de talentos y ayudarán a tomar decisiones sobre los programas de formación.

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Influence of digit ratio (2D:4D) on reaction time and athletic sprint performance: A short term pilot study

Cited by 3 publications

References 0 publications

Digit ratio (2D:4D): relationship with freestyle swimming performance of adolescent well-trained swimmers

Digit ratio (2D:4D): relationship with freestyle swimming performance of adolescent well-trained swimmers

Individualization of selection and training of female athletes in speed-power athletics from the perspective of gender identity

Variation of Digit Ratio (2d:4d) in Athletes and Differences With Sports Groups

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