Structural and Functional Asymmetries in Humans

Afonso, José; Bessa, Cristiana; Pinto, Filipe Cabral; Ribeiro, Diogo; Moura, Beatriz; Rocha, Tiago; Vinicius, Marcus; Canário-Lemos, Rui; Peixoto, Rafael; Clemente, Filipe Manuel

doi:10.1007/978-981-15-2549-0_3

Cited by 2 publications

(2 citation statements)

References 21 publications

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“…Being asymmetric during movement is common since the human body is also asymmetric from an anatomic and neurological point-of-view [ 1 ]. The predominance of one limb over the other is usual in many sports, and for that reason, asymmetries between limbs are commonly seen in different sports [ 2 , 3 , 4 ].…”

Section: Introductionmentioning

confidence: 99%

Analyzing the Magnitude of Interlimb Asymmetries in Young Female Soccer Players: A Preliminary Study

Raya-González

Clemente

Castillo

2021

IJERPH

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Although asymmetries in lower limbs have been linked with players’ performance in male soccer players, literature that has been published addressing female soccer is scarce. Thus, the aim of this study was twofold: (i) describe the asymmetries of women soccer players during jumping, change-of-direction and range-of-motion tests; and (ii) test possible relationships between asymmetries and injury risk in female soccer players. Sixteen female players (15.5 ± 1.5 years) performed a battery of fitness tests (i.e., jump ability, change-of-direction ability and passive range-of-motion) and muscle mass analysis via dual-energy X-ray absorptiometry, through which the specific asymmetry index and the related injury risk were calculated. Significant (p < 0.05) lower asymmetries in the change-of-direction test were observed in comparison to those observed in jumping and range-of-motion tests; significant (p < 0.05) lower asymmetries in muscle mass were also reported compared to those found in the change-of-direction and countermovement jump tests. Additionally, increased injury risk for countermovement jump and hip flexion with extended knee range-of-motion (relating to asymmetry values) and for ankle flexion with flexed knee range-of-motion in both legs (relating to reference range-of-motion values), as well as increased individual injury risk values, were observed across all tests. These findings suggest the necessity to implement individual approaches for asymmetry and injury risk analyses.

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Section: Introductionmentioning

confidence: 99%

Analyzing the Magnitude of Interlimb Asymmetries in Young Female Soccer Players: A Preliminary Study

Raya-González

Clemente

Castillo

2021

IJERPH

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“…The difference between the right and left sides of the body, namely bilateral asymmetry, has been studied for over a century (Hall & Hartwell, 1884), even in Paleolithic and Holocene adult humans remains (Afonso et al, 2020;Churchill & Formicola, 1997), but is yet to be well understood (Krishan, 2011;Little et al, 2002;Pande & Singh, 1971). Asymmetries of breadth and circumference measurements tend to be larger in adults (Neumann, 1992), probably due to physical activity levels and occupations (Singh & Singh, 2007), and they are usually more pronounced in the upper extremities, rather than in the lower limbs.…”

Section: Bland-altman Plotsmentioning

confidence: 99%

Bilateral asymmetry in arm anthropometric measurements according to laterality and nutritional status in children and adolescents from 6 to 12 years old

Salazar‐Preciado

Vallarta-Robledo

Chávez-Palencia

et al. 2021

American J Hum Biol

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To compare and correlate anthropometric measurements of the left arm versus the right arm and to establish their relation to laterality, sex, and nutritional status in children and adolescents from 6 to 12 years of age. Methods:A cross-sectional study included 605 children and adolescents (285 males; 320 females), with a middle socioeconomic status, that attended an urban elementary school. Anthropometric measurements were taken in both arms, along with height and weight, to assess nutritional status. Self-reported hand preference was recorded.Results: A total of 49.3% were females and 93% of the subjects were righthanded (n = 563). The mean comparison of right arm and left arm measurements and areas, according to laterality, showed differences in arm fat measurements, with higher values in the right arm. However, the mean difference in triceps skinfold and upper arm measurements between the right arm and left arm was smaller than the technical error of measurement. Significant differences were observed between arm measurements and areas. Upper arm and total upper arm areas of both arms had the highest regression coefficients, with an adjusted R 2 of .98, whereas the arm fat index had the lowest (adjusted R 2 of .88). Adjusting the previous differences between the right arm and left arm by age, sex, BMI, and laterality produced similar results. Conclusions: Statistical but not clinically significant differences were found between some measurements and areas of both arms, discretely modified in models adjusted for age and BMI, so the measurements can be made on either arm.

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Structural and Functional Asymmetries in Humans

Cited by 2 publications

References 21 publications

Analyzing the Magnitude of Interlimb Asymmetries in Young Female Soccer Players: A Preliminary Study

Analyzing the Magnitude of Interlimb Asymmetries in Young Female Soccer Players: A Preliminary Study

Bilateral asymmetry in arm anthropometric measurements according to laterality and nutritional status in children and adolescents from 6 to 12 years old

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