Influence of Long-Lasting Static Stretching Intervention on Functional and Morphological Parameters in the Plantar Flexors: A Randomized Controlled Trial

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Influence of Long-Lasting Static Stretching Intervention on Functional and Morphological Parameters in the Plantar Flexors: A Randomized Controlled Trial. / Warneke, Konstantin; Keiner, Michael; Wohlann, Tim et al.
In: The Journal of Strength and Conditioning Research, Vol. 37, No. 10, 01.10.2023, p. 1993-2001.

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Warneke K, Keiner M, Wohlann T, Lohmann LH, Tina S, Hillebrecht M et al. Influence of Long-Lasting Static Stretching Intervention on Functional and Morphological Parameters in the Plantar Flexors: A Randomized Controlled Trial. The Journal of Strength and Conditioning Research. 2023 Oct 1;37(10):1993-2001. Epub 2023 May 31. doi: 10.1519/JSC.0000000000004513

Bibtex

@article{04b74d22cd7543c88a801ce21d457c95,
title = "Influence of Long-Lasting Static Stretching Intervention on Functional and Morphological Parameters in the Plantar Flexors: A Randomized Controlled Trial",
abstract = "Animal studies show that long-lasting stretching training can lead to significant hypertrophy and increases in maximal strength. Accordingly, previous human studies found significant improvements in maximal voluntary contraction (MVC), flexibility, and muscle thickness (MTh) using constant angle long-lasting stretching. It was hypothesized that long-lasting stretching with high intensity will lead to sufficient mechanical tension to induce muscle hypertrophy and maximal strength gains. This study examined muscle cross-sectional area (MCSA) using magnetic resonance imaging (MRI). Therefore, 45 well-trained subjects (f: 17, m: 28, age: 27.7 ± 3.0 years, height: 180.8 ± 4.9 cm, mass: 80.4 ± 7.2 kg) were assigned to an intervention group (IG) that stretched the plantar flexors 6 × 10 minutes per day for 6 weeks or a control group (CG). Data analysis was performed using 2-way ANOVA. There was a significant Time × Group interaction in MVC (p < 0.001-0.019, 2 = 0.158-0.223), flexibility (p < 0.001, 2 = 0.338-0.446), MTh (p = 0.002-0.013, 2 = 0.125-0.172), and MCSA (p = 0.003-0.014, 2 = 0.143-0.197). Post hoc analysis showed significant increases in MVC (d = 0.64-0.76), flexibility (d = 0.85-1.12), MTh (d = 0.53-0.6), and MCSA (d = 0.16-0.3) in IG compared with CG, thus confirming previous results in well-trained subjects. Furthermore, this study improved the quality for the morphological examination by investigating both heads of the gastrocnemius with MRI and sonography. Because stretching can be used passively, an application in rehabilitation settings seems plausible, especially if no commonly used alternatives such as strength training are applicable.",
keywords = "Physical education and sports, long-lasting stretching, maximal strength, maximal voluntary contraction, muscle cross-sectional area, muscle thickness, range of motion",
author = "Konstantin Warneke and Michael Keiner and Tim Wohlann and Lohmann, {Lars Hubertus} and Schmitt Tina and Martin Hillebrecht and Anna Brinkmann and Andreas Hein and Klaus Wirth and Stephan Schiemann",
note = "Funding Information: The authors thank all subjects for their time and effort. Furthermore, performing the comparatively large number of MRI scans was only possible due to the high level of commitment of G{\"u}lsen Yanc. Many thanks for carrying out the MRI scans at all requested times of day. This work was supported by the Neuroimaging Unit of the Carl von Ossietzky Universit{\"a}t Oldenburg which is funded by grants from the German Research Foundation (3T MRI INST 184/152-1 FUGG). Data availability statement: Original data can be provided upon reasonable request. The authors report that there are no competing interests to declare. The researchers have no financial interests. Publisher Copyright: {\textcopyright} 2023 NSCA National Strength and Conditioning Association. All rights reserved.",
year = "2023",
month = oct,
day = "1",
doi = "10.1519/JSC.0000000000004513",
language = "English",
volume = "37",
pages = "1993--2001",
journal = "The Journal of Strength and Conditioning Research",
issn = "1533-4287",
publisher = "NSCA National Strength and Conditioning Association",
number = "10",

}

RIS

TY - JOUR

T1 - Influence of Long-Lasting Static Stretching Intervention on Functional and Morphological Parameters in the Plantar Flexors

T2 - A Randomized Controlled Trial

AU - Warneke, Konstantin

AU - Keiner, Michael

AU - Wohlann, Tim

AU - Lohmann, Lars Hubertus

AU - Tina, Schmitt

AU - Hillebrecht, Martin

AU - Brinkmann, Anna

AU - Hein, Andreas

AU - Wirth, Klaus

AU - Schiemann, Stephan

N1 - Funding Information: The authors thank all subjects for their time and effort. Furthermore, performing the comparatively large number of MRI scans was only possible due to the high level of commitment of Gülsen Yanc. Many thanks for carrying out the MRI scans at all requested times of day. This work was supported by the Neuroimaging Unit of the Carl von Ossietzky Universität Oldenburg which is funded by grants from the German Research Foundation (3T MRI INST 184/152-1 FUGG). Data availability statement: Original data can be provided upon reasonable request. The authors report that there are no competing interests to declare. The researchers have no financial interests. Publisher Copyright: © 2023 NSCA National Strength and Conditioning Association. All rights reserved.

PY - 2023/10/1

Y1 - 2023/10/1

N2 - Animal studies show that long-lasting stretching training can lead to significant hypertrophy and increases in maximal strength. Accordingly, previous human studies found significant improvements in maximal voluntary contraction (MVC), flexibility, and muscle thickness (MTh) using constant angle long-lasting stretching. It was hypothesized that long-lasting stretching with high intensity will lead to sufficient mechanical tension to induce muscle hypertrophy and maximal strength gains. This study examined muscle cross-sectional area (MCSA) using magnetic resonance imaging (MRI). Therefore, 45 well-trained subjects (f: 17, m: 28, age: 27.7 ± 3.0 years, height: 180.8 ± 4.9 cm, mass: 80.4 ± 7.2 kg) were assigned to an intervention group (IG) that stretched the plantar flexors 6 × 10 minutes per day for 6 weeks or a control group (CG). Data analysis was performed using 2-way ANOVA. There was a significant Time × Group interaction in MVC (p < 0.001-0.019, 2 = 0.158-0.223), flexibility (p < 0.001, 2 = 0.338-0.446), MTh (p = 0.002-0.013, 2 = 0.125-0.172), and MCSA (p = 0.003-0.014, 2 = 0.143-0.197). Post hoc analysis showed significant increases in MVC (d = 0.64-0.76), flexibility (d = 0.85-1.12), MTh (d = 0.53-0.6), and MCSA (d = 0.16-0.3) in IG compared with CG, thus confirming previous results in well-trained subjects. Furthermore, this study improved the quality for the morphological examination by investigating both heads of the gastrocnemius with MRI and sonography. Because stretching can be used passively, an application in rehabilitation settings seems plausible, especially if no commonly used alternatives such as strength training are applicable.

AB - Animal studies show that long-lasting stretching training can lead to significant hypertrophy and increases in maximal strength. Accordingly, previous human studies found significant improvements in maximal voluntary contraction (MVC), flexibility, and muscle thickness (MTh) using constant angle long-lasting stretching. It was hypothesized that long-lasting stretching with high intensity will lead to sufficient mechanical tension to induce muscle hypertrophy and maximal strength gains. This study examined muscle cross-sectional area (MCSA) using magnetic resonance imaging (MRI). Therefore, 45 well-trained subjects (f: 17, m: 28, age: 27.7 ± 3.0 years, height: 180.8 ± 4.9 cm, mass: 80.4 ± 7.2 kg) were assigned to an intervention group (IG) that stretched the plantar flexors 6 × 10 minutes per day for 6 weeks or a control group (CG). Data analysis was performed using 2-way ANOVA. There was a significant Time × Group interaction in MVC (p < 0.001-0.019, 2 = 0.158-0.223), flexibility (p < 0.001, 2 = 0.338-0.446), MTh (p = 0.002-0.013, 2 = 0.125-0.172), and MCSA (p = 0.003-0.014, 2 = 0.143-0.197). Post hoc analysis showed significant increases in MVC (d = 0.64-0.76), flexibility (d = 0.85-1.12), MTh (d = 0.53-0.6), and MCSA (d = 0.16-0.3) in IG compared with CG, thus confirming previous results in well-trained subjects. Furthermore, this study improved the quality for the morphological examination by investigating both heads of the gastrocnemius with MRI and sonography. Because stretching can be used passively, an application in rehabilitation settings seems plausible, especially if no commonly used alternatives such as strength training are applicable.

KW - Physical education and sports

KW - long-lasting stretching

KW - maximal strength

KW - maximal voluntary contraction

KW - muscle cross-sectional area

KW - muscle thickness

KW - range of motion

UR - http://www.scopus.com/inward/record.url?scp=85167350181&partnerID=8YFLogxK

U2 - 10.1519/JSC.0000000000004513

DO - 10.1519/JSC.0000000000004513

M3 - Journal articles

C2 - 37318350

VL - 37

SP - 1993

EP - 2001

JO - The Journal of Strength and Conditioning Research

JF - The Journal of Strength and Conditioning Research

SN - 1533-4287

IS - 10

ER -