Decreased Postural Complexity in Overweight to Obese Children and Adolescents: A Cross-Sectional Study

Wiesinger, Hans‐Peter; Buchecker, Michael; Müller, Erich; Stöggl, Thomas; Birklbauer, Jürgen

doi:10.3389/fnhum.2022.850548

Cited by 5 publications

(2 citation statements)

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“…In the study of gait in sports biomechanics, kinematic data are often collected using kinematic data acquisition by infrared capture systems and inertial motion capture systems, kinetics are analyzed using dynamometers and plantar pressure, and muscle force is analyzed using electromyography ( Brodoehl et al, 2015 ; Wiesinger et al, 2022 ). Based on the fact that changes in kinetic and EMG-related data are important causes of alterations in gait kinematic characteristics, the external appearance of postural control imbalances can be found in kinematic analysis.…”

Section: Introductionmentioning

confidence: 99%

Effects of various hyperopia intervention levels on male college students’ gait kinematics

Zeng¹,

Xue²,

Zha³

et al. 2023

Front. Physiol.

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Background: Hyperopia is a common blurred vision phenomenon that affects postural control in gait; however, current research has focused on the alteration and correction of hyperopia’s physiological characteristics, ignoring the effect of hyperopia on gait kinematic characteristics. The effect of hyperopia on the basic form of movement walking is a worthy concern.Objective: To investigate the gait kinematic characteristics of male college students with varying degrees of visual acuity (normal vision, hyperopia 150°, and hyperopia 450°), as well as to provide a theoretical foundation for the effect of visual acuity on gait and fall risk reduction.Methods: Twenty-two male college students with normal visual acuity were chosen. Their vision was tested using a standard visual acuity logarithm table at normal and with 150° and 450° concave lenses. Gait kinematic data were collected under normal vision and hyperopic conditions using the PN3 Pro advanced inertial motion capture system and Axis Studio application program.Results and conclusion: 1. The change of center of gravity in Pre-double support was smaller than normal vision; Late-single support and Late-swing was larger than normal vision; 2. The percentage of the double-leg support decreased; the percentage of the single-leg support and the Late-swing increased; 3. For the joints’ range of motion, Trunk flexion and extension range of motion in Pre-single support, Late-double support and Pre-swing smaller than normal visual acuity, and Late-swing larger than normal; hip internal abduction and adduction and internal and external rotation are larger than normal vision in Late-single support; knee and ankle in abduction and adduction direction are larger than normal vision in the swing stage; hip flexion and extension, internal external rotation are larger than normal vision in the swing stage. Hyperopic interventions have an impact on the kinematic characteristics of gait in male college students, mainly in terms of altered balance, increased instability, increased difficulty in maintaining trunk stability, and increased risk of injury.

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Section: Introductionmentioning

confidence: 99%

Effects of various hyperopia intervention levels on male college students’ gait kinematics

Zeng¹,

Xue²,

Zha³

et al. 2023

Front. Physiol.

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“…In this context, DFA has been employed to capture the degree and type of dependencies observed in CoP displacements (or fluctuations) both in the AP and ML directions ( Duarte and Zatsiorsky, 2001 ; Blázquez et al, 2009 ). The scaling exponent (DFA-α) computed under conditions of quiet standing has been used to express differences in postural control strategies of younger and older adults ( Duarte and Sernad, 2008 ), healthy individuals and individuals with health conditions ( Moretto et al, 2021 ), overweight and non-overweight children and adolescents ( Wiesinger et al, 2022 ), and between individuals with different motor skill levels ( Ko et al, 2018 ). Several studies that applied DFA on CoP time series during quiet standing in healthy adults and in individuals with a health condition revealed two ( Blásquez et al, 2009 ; Minamisawa et al, 2009 ) or three scaling regions ( Kuznetsov et al, 2013 ) in their participants’ respective diffusion plots.…”

Section: Introductionmentioning

confidence: 99%

DFA as a window into postural dynamics supporting task performance: does choice of step size matter?

Nordbeck

Andrade

Silva

et al. 2023

Front. Netw. Physiol.

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Introduction: Detrended Fluctuation Analysis (DFA) has been used to investigate self-similarity in center of pressure (CoP) time series. For fractional gaussian noise (fGn) signals, the analysis returns a scaling exponent, DFA-α, whose value characterizes the temporal correlations as persistent, random, or anti-persistent. In the study of postural control, DFA has revealed two time scaling regions, one at the short-term and one at the long-term scaling regions in the diffusion plots, suggesting different types of postural dynamics. Much attention has been given to the selection of minimum and maximum scales, but the choice of spacing (step size) between the window sizes at which the fluctuation function is evaluated may also affect the estimates of scaling exponents. The aim of this study is twofold. First, to determine whether DFA can reveal postural adjustments supporting performance of an upper limb task under variable demands. Second, to compare evenly-spaced DFA with two different step sizes, 0.5 and 1.0 in log2 units, applied to CoP time series.Methods: We analyzed time series of anterior-posterior (AP) and medial-lateral (ML) CoP displacement from healthy participants performing a sequential upper limb task under variable demand.Results: DFA diffusion plots revealed two scaling regions in the AP and ML CoP time series. The short-term scaling region generally showed hyper-diffusive dynamics and long-term scaling revealed mildly persistent dynamics in the ML direction and random-like dynamics in the AP direction. There was a systematic tendency for higher estimates of DFA-α and lower estimates for crossover points for the 0.5-unit step size vs. 1.0-unit size.Discussion: Results provide evidence that DFA-α captures task-related differences between postural adjustments in the AP and ML directions. Results also showed that DFA-α estimates and crossover points are sensitive to step size. A step size of 0.5 led to less variable DFA-α for the long-term scaling region, higher estimation for the short-term scaling region, lower estimate for crossover points, and revealed anomalous estimates at the very short range that had implications for choice of minimum window size. We, therefore, recommend the use of 0.5 step size in evenly spaced DFAs for CoP time series similar to ours.

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A Fundamental Movement Skill Test for Preschool Children With and Without Overweight: The SALTO Test Battery

Birklbauer,

Gniewosz,

Freudenthaler

et al. 2024

Pediatric Exercise Science

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Purpose: This study aimed to evaluate a 3-factor model of fundamental movement skills in preschool children, incorporating both process- and product-oriented assessment methods, and to test the model’s invariance across subgroups of age, body weight and sex. Methods: The SALTO test battery was administered to 736 preschool children aged 3–6 years. A single-indicator multitrait–multimethod model was specified with Locomotion, Object Manipulation, and Balance as latent factors and a latent method factor to address the multimethod design. Measurement invariance was tested across subgroups using multigroup confirmatory factor analysis. Results: The 3-factor model yielded good fit indices, confirming the construct validity of the SALzburg Together against Obesity test battery. Strong measurement invariance was found across body mass index groups, whereas partial invariance was observed across age and sex groups. Older children outperformed younger ones in all skill domains, children with overweight had lower skills in Balance and Locomotion, and sex differences were found in Object Manipulation and Balance. Conclusion: The SALTO test battery is a structurally valid tool for evaluating and comparing fundamental movement skills in preschool children across age, weight status, and sex. The findings underscore the importance of considering these factors when designing interventions to enhance fundamental movement skills in early childhood.

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Decreased Postural Complexity in Overweight to Obese Children and Adolescents: A Cross-Sectional Study

Cited by 5 publications

References 48 publications

Effects of various hyperopia intervention levels on male college students’ gait kinematics

Effects of various hyperopia intervention levels on male college students’ gait kinematics

DFA as a window into postural dynamics supporting task performance: does choice of step size matter?

A Fundamental Movement Skill Test for Preschool Children With and Without Overweight: The SALTO Test Battery

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