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Volume 14
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10.3390/app14219788
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Article

The Development and Reliability of a Surface Electromyography-Based Index for Quantifying Knee Muscle Coactivation During the Lower Quarter Y-Balance Test

by
Maciej Daszkiewicz
1,
Robert Prill
2,3,
Paweł Reichert
4,5,
Roland Becker
2,3,
Łukasz Oleksy
4,6,
Mateusz Kuźniecow
7,
Marcin Lech
5,
Michał Kułakowski
8,
Monika Kentel
9,
Maciej Kentel
9,
Mateusz Kowal
1,
Maciej Dejnek
4,5 and
Aleksandra Królikowska
1,*
1
Physiotherapy Research Laboratory, University Centre of Physiotherapy and Rehabilitation, Faculty of Physiotherapy, Wroclaw Medical University, 50368 Wroclaw, Poland
2
Center of Orthopaedics and Traumatology, University Hospital Brandenburg an der Havel, Brandenburg Medical School Theodor Fontane, 14770 Brandenburg an der Havel, Germany
3
Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, 14770 Brandenburg an der Havel, Germany
4
Department of Orthopedics, Traumatology and Hand Surgery, Faculty of Medicine, Wroclaw Medical University, 50367 Wroclaw, Poland
5
Clinical Department of Orthopedics, Traumatology and Hand Surgery, Jan Mikulicz-Radecki University Hospital, 50367 Wroclaw, Poland
6
Department of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31008 Krakow, Poland
7
Upper Limb Therapy Center, 50443 Wroclaw, Poland
8
Orthopaedic and Trauma Surgery Department, Independent Public Healthcare Center in Rypin, 87500 Rypin, Poland
9
eMKaMED Medical Center, 53110 Wroclaw, Poland
*
Author to whom correspondence should be addressed.
Appl. Sci. 2024, 14(21), 9788; https://doi.org/10.3390/app14219788
Submission received: 18 September 2024 / Revised: 12 October 2024 / Accepted: 23 October 2024 / Published: 26 October 2024
(This article belongs to the Special Issue New Advances in Physiotherapy and Rehabilitation)
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Abstract

This study aimed to develop and evaluate the reliability of a surface electromyography-based (sEMG) index to quantify knee muscle coactivation in healthy recreational athletes during the Lower Quarter Y-Balance Test (YBT-LQ). A prospective observational repeated measures design was used to assess both intra- and inter-rater reliability. Forty males completed three trials, with two raters independently conducting assessments. sEMG signals from the vastus medialis, vastus lateralis, biceps femoris, and semitendinosus muscles were collected to calculate four coactivation indices (CoAIs) for different muscle pairs. The reliability evaluation of these CoAIs was based on intraclass correlation coefficients. The results revealed that the reliability of the CoAIs varied depending on the muscle pair, direction, and limb examined. The highest intra- and inter-rater reliability was noted for the left lower limb in the posterolateral direction. The lowest reliability was found for the right lower limb in the anterior direction. Statistical analyses indicated significant differences in specific CoAIs across different YBT-LQ directions. These findings highlight the potential of sEMG-based CoAIs for assessing knee muscle activity during the YBT-LQ in healthy male recreational athletes. However, choosing CoAIs is critical for reliable clinical and research assessments of knee stability and neuromuscular control.
Keywords: anterior cruciate ligament; biomechanics; biomedical monitoring; co-contraction; injury prevention; orthopedics; physiotherapy; rehabilitation; repeatability; sports medicine anterior cruciate ligament; biomechanics; biomedical monitoring; co-contraction; injury prevention; orthopedics; physiotherapy; rehabilitation; repeatability; sports medicine

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MDPI and ACS Style

Daszkiewicz, M.; Prill, R.; Reichert, P.; Becker, R.; Oleksy, Ł.; Kuźniecow, M.; Lech, M.; Kułakowski, M.; Kentel, M.; Kentel, M.; et al. The Development and Reliability of a Surface Electromyography-Based Index for Quantifying Knee Muscle Coactivation During the Lower Quarter Y-Balance Test. Appl. Sci. 2024, 14, 9788. https://doi.org/10.3390/app14219788

AMA Style

Daszkiewicz M, Prill R, Reichert P, Becker R, Oleksy Ł, Kuźniecow M, Lech M, Kułakowski M, Kentel M, Kentel M, et al. The Development and Reliability of a Surface Electromyography-Based Index for Quantifying Knee Muscle Coactivation During the Lower Quarter Y-Balance Test. Applied Sciences. 2024; 14(21):9788. https://doi.org/10.3390/app14219788

Chicago/Turabian Style

Daszkiewicz, Maciej, Robert Prill, Paweł Reichert, Roland Becker, Łukasz Oleksy, Mateusz Kuźniecow, Marcin Lech, Michał Kułakowski, Monika Kentel, Maciej Kentel, and et al. 2024. "The Development and Reliability of a Surface Electromyography-Based Index for Quantifying Knee Muscle Coactivation During the Lower Quarter Y-Balance Test" Applied Sciences 14, no. 21: 9788. https://doi.org/10.3390/app14219788

APA Style

Daszkiewicz, M., Prill, R., Reichert, P., Becker, R., Oleksy, Ł., Kuźniecow, M., Lech, M., Kułakowski, M., Kentel, M., Kentel, M., Kowal, M., Dejnek, M., & Królikowska, A. (2024). The Development and Reliability of a Surface Electromyography-Based Index for Quantifying Knee Muscle Coactivation During the Lower Quarter Y-Balance Test. Applied Sciences, 14(21), 9788. https://doi.org/10.3390/app14219788

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