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01.12.2017 | Study protocol | Ausgabe 1/2017 Open Access

Trials 1/2017

Acute effects of foam rolling on passive tissue stiffness and fascial sliding: study protocol for a randomized controlled trial

Zeitschrift:
Trials > Ausgabe 1/2017
Autoren:
Frieder Krause, Jan Wilke, Daniel Niederer, Lutz Vogt, Winfried Banzer
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​s13063-017-1866-y) contains supplementary material, which is available to authorized users.

Abstract

Background

Self-myofascial release (SMR) aims to mimic the effects of manual therapy and tackle dysfunctions of the skeletal muscle and connective tissue. It has been shown to induce improvements in flexibility, but the underlying mechanisms are still poorly understood. In addition to neuronal mechanisms, improved flexibility may be driven by acute morphological adaptations, such as a reduction in passive tissue stiffness or improved movement between fascial layers. The aim of the intended study is to evaluate the acute effects of SMR on the passive tissue stiffness of the anterior thigh muscles and the sliding properties of the associated fasciae.

Methods

In a crossover study design, 16 participants will receive all of the following interventions in a permutated random order: (1) one session of 2 × 60 s of SMR at the anterior thigh, (2) one session of 2 × 60 s of passive static stretching of the anterior thigh and (3) no intervention. Passive tissue stiffness, connective tissue sliding, angle of first stretch sensation, as well as maximal active and passive knee flexion angle, will be evaluated before and directly after each intervention.

Discussion

The results of the intended study will allow a better understanding of, and provide further evidence on, the local effects of SMR techniques and the underlying mechanisms for flexibility improvements.

Trial registration

ClinicalTrials.gov, identifier: NCT02919527. Registered on 27 September 2016.
Zusatzmaterial
Additional file 1: Study flow chart. (JPG 2046 kb)
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Additional file 2: SPIRIT Checklist. (DOC 120 kb)
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Additional file 3: Illustration of the self-myofascial release (SMR) intervention. (JPG 2832 kb)
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Additional file 4: Positioning of participants on the isokinetic dynamometer. (JPG 1897 kb)
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Additional file 5: Exemplary (based on a pilot participant) visualization of the results of the Cross-correlation analysis. Description of data: blue boxes: individual regions of interest (ROIs), white rectangles: mean movement of all ROIs, yellow rectangles: movement of individual ROIs. ROIs at the beginning of the passive knee flexion (A). Motion of the ROIs at the end of the passive knee flexion (B). Resulting line graph of motion of separate ROIs (C). (JPG 2079 kb)
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Literatur
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