The Effect of Stretching Intensity on Pain Sensitivity

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

31 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-08-20

Study Completion Date

2024-04-30

Brief Summary

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The primary objective of this study is to determine the immediate efficiency of stretching intensity on regional and distant pain sensitivity in healthy subjects. It is hypothesized that the analgesic effect of stretching may be linked with the intensity of stretching in a dose-response relationship.

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Detailed Description

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Conditions

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Pain Threshold Stretching Pain Sensitivity Range of Motion

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

This was a randomized, repeated-measures cross-over study. The interventions consist of two different stretching protocols (e.g., stretching to the point of discomfort and stretching to the point of pain). Subjects were randomized to one of two groups (pain first or discomfort first). Both groups underwent a static stretch protocol consisting of four bouts of thirty-second constant-angle static stretching of the knee flexors with a 20-second rest period between bouts. Subjects were instructed to keep the limb relaxed as the lower leg was passively moved towards extension to the point of discomfort and the point of pain.

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Participants Investigators

Participants were blinded to the results of all measurements and naïve to research hypotheses.

The investigator was blinded to the results of all measurements.

Study Groups

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Static stretching to the point of pain

The participants are assigned to four bouts of static stretching of the right knee flexors with a 20-second rest period between bouts 20 to the point of pain.

Group Type EXPERIMENTAL

Static stretching

Intervention Type OTHER

The participants are assigned to four bouts of static stretching of the right knee flexors with a 20-second rest period between bouts 20 to the point of discomfort and to the point of pain.

Static stretching to the point of discomfort

The participants are assigned to four bouts of static stretching of the right knee flexors with a 20-second rest period between bouts 20 to the point of discomfort.

Group Type EXPERIMENTAL

Static stretching

Intervention Type OTHER

The participants are assigned to four bouts of static stretching of the right knee flexors with a 20-second rest period between bouts 20 to the point of discomfort and to the point of pain.

Interventions

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Static stretching

The participants are assigned to four bouts of static stretching of the right knee flexors with a 20-second rest period between bouts 20 to the point of discomfort and to the point of pain.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Healthy men and women aged 18-55 years are recruited. As part of the screening, volunteers will also be asked to indicate known medical issues or diseases.

Exclusion Criteria

* Participants are included if they have no known medical conditions such as; cognitive impairments, neurological, orthopaedic, or neuromuscular problems that might affect the somatosensory system or preclude stretching exercises or range of motion testing at the knee.

Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes