Fatigue-Related and Timescale-Dependent Changes in Individual Movement Patterns Identified Using Support Vector Machine

Burdack, Johannes; Horst, Fabian; Aragonés, Daniel; Eekhoff, Alexander; Schöllhorn, Wolfgang I.

doi:10.3389/fpsyg.2020.551548

Cited by 18 publications

(17 citation statements)

References 87 publications

(127 reference statements)

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“…When the purported target movement has been successfully achieved, the approach stagnates in the exclusive repetition of the movements, and only the hope for additional conditional progress provides further motivation. By reliably identifying individuals not only through their biomechanical movement patterns [ 18 , 19 ], but also through a recognition of the emotions [ 20 ] and the fatigue phases [ 21 ] within an individual, as well as of individuality, even across disciplines [ 22 ], the main premises of the traditional approach have been deconstructed. As a result, the question arises about the necessity of repetition and prototypes, since individuals, situations, and ongoing changes must be dealt with.…”

Section: Introductionmentioning

confidence: 99%

External Focus or Differential Learning: Is There an Additive Effect on Learning a Futsal Goal Kick?

Oftadeh

Bahram

Yaali

et al. 2021

IJERPH

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(1) Background: How to optimally promote the process of acquiring and learning a new motor skill is still one of the fundamental questions often raised in training and movement science, rehabilitation, and physical education. This study is aimed at investigating the effects of differential learning (DL) and the elements of OPTIMAL theory on learning a goal-kicking skill in futsal, especially under the conditions of external and internal foci. (2) Methods: A total of 40 female beginners were randomly assigned to, and equally distributed among, five different interventions. Within a pretest and post-test design, with retention and transfer tests, participants practiced for 12 weeks, involving two 20-min sessions per week. The tests involved a kicking skill test. Data were analyzed with a one-way ANOVA. (3) Results: Statistically significant differences with large effect sizes were found between differential learning (DL) with an external focus, DL with an internal focus, DL with no focus, traditional training with an external focus, and traditional training with control groups in the post-, retention, and transfer tests. (4) Conclusions: The results indicate the clear advantages of DL. It is well worth putting further efforts into investigating a more differentiated application of instructions combined with exercises for DL.

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Section: Introductionmentioning

confidence: 99%

External Focus or Differential Learning: Is There an Additive Effect on Learning a Futsal Goal Kick?

Oftadeh

Bahram

Yaali

et al. 2021

IJERPH

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“…The research focuses on the relationship between mental fatigue and performance. Burdack et al ( 2020 ) propose pattern recognition of the correlation between time and fatigue changes. The research focuses on two issues: (1) whether the fatigue characteristics of the exercise mode can be observed.…”

Section: Literature Reviewmentioning

confidence: 99%

“…This research establishes the elbow valgus and trunk flexion angle as key features and then combines interval time of pitching to detect sports fatigue. In addition, Burdack et al ( 2020 ) also used pattern recognition of the sports correlation between time and fatigue changes. The research focuses on the use of Support Vector Machine (SVM) for the discussion and analysis of whether the fatigue characteristics of the exercise mode can be observed.…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of a Pitch Fatigue Detection System for Adaptive Baseball Learning

Chen

Hsu

et al. 2021

Front. Psychol.

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Owing to the rapid development of information and communication technologies, such as the Internet of Things, artificial intelligence, and computer vision, in recent years, the concept of smart sports has been proposed. A pitch fatigue detection method that includes acquisition, analysis, quantification, aggregation, learning, and public layers for adaptive baseball learning is proposed herein. The learning determines the fatigue index of the pitcher based on the angle of the pitcher's elbow and back as the number of pitches increases. The coach uses this auxiliary information to avoid baseball injuries during baseball learning. Results show a test accuracy rate of 89.1%, indicating that the proposed method effectively provides reference information for adaptive baseball learning.

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“…Thereby, a major intention of DL is to increase the possibilities of the athlete rather than constraining them. Meanwhile, evidence is provided that fluctuations that can be quantified by the amount or structure of noise can also be increased or modified by means of emotions [ 21 ] or fatigue [ 22 , 23 ].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Differential Repeated Sprint Training on Physical Performance in Female Basketball Players: A Pilot Study

Arede

Poureghbali

Freitas

et al. 2021

IJERPH

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This pilot study aimed to determine the effects of differential learning in sprint running with and without changes of direction (COD) on physical performance parameters in female basketball players and to determine the feasibility of the training protocol. Nine female basketball players completed 4 weeks of repeated sprint training (RST) with (COD, n = 4) or without (NCOD, n = 5) changes of direction. A battery of sprints (0–10 and 0–25 m), vertical jumps (counter movement jump (CMJ), drop jump, and single-leg CMJs), and COD tests were conducted before and after intervention. NCOD completed two sets of ten sprints of 20 m, whereas COD performed 20 m sprints with a 180 degree turn at 10 m, returning to the starting line. Before each sprint, participants were instructed to provide different fluctuations (i.e., differential learning) in terms of varying the sprint. Both groups had 30 s of passive recovery between two sprints and 3 min between sets. A significant effect of time for the 0–10 m sprint, CMJ, and single leg-CMJ asymmetries were observed. Adding “erroneous” fluctuation during RST seems to be a suitable and feasible strategy for coaches to enhance physical performance in young female basketball players. However, further studies including larger samples and controlled designs are recommended to strengthen present findings.

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Fatigue-Related and Timescale-Dependent Changes in Individual Movement Patterns Identified Using Support Vector Machine

Cited by 18 publications

References 87 publications

External Focus or Differential Learning: Is There an Additive Effect on Learning a Futsal Goal Kick?

External Focus or Differential Learning: Is There an Additive Effect on Learning a Futsal Goal Kick?

Design and Analysis of a Pitch Fatigue Detection System for Adaptive Baseball Learning

The Effect of Differential Repeated Sprint Training on Physical Performance in Female Basketball Players: A Pilot Study

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