Do Videos That Aim to Optimize Expectations Alter the Effectivess of PMR?

Philipps University Marburg66 enrolled

Overview

The study's aim is to determine whether a short video aiming to optimize expectations regarding the effectiveness of progressive muscle relaxation (PMR) ist able to improve the actual effectiveness of PMR in comparison with a neutral (no video) control group.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Enrollment

Conditions

Experimental Group 1 (Video Personal Expert)Experimental Group 2 (Video Factual Expert)Control Group

Interventions

Progressive Muscle Relaxation (PMR)BEHAVIORAL

All groups undergo a PMR session, but they differ regarding the treatment before the PMR session. Two groups watch a video before undergoing PMR, the control group reads a text before undergoing PMR. Progressive muscle relaxation (PMR) is a technique for learning to monitor and control the state of muscular tension. It was developed by American physician Edmund Jacobson in the early 1920s. The technique involves learning to monitor tension in each specific muscle group in the body by deliberately inducing tension in each group. This tension is then released, with attention paid to the contrast between tension and relaxation.

Eligibility

Sex: ALLMin age: 18 YearsMax age: 65 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Healthy participants * fluency in the German language to provide informed consent Exclusion Criteria: * Chronic illness * Mental disorder

Locations (1)

Department of Psychology, Philipps University Marburg

Marburg, Hesse, Germany

Outcomes

Primary Outcomes

Change in perceived/subjective relaxation

Participants are asked to rate how relaxed they feel at the moment at two time points (baseline and after the PMR intervention) on a questionnaire (VAS: item ranges from 0 (not relaxed at all) - 100 (very relaxed). Change scores are calculated (post- minus pre-scores).

Time frame: Change from pre (baseline) to post scores (30 minutes later)

Secondary Outcomes

Change in perceived stress

Participants are asked to rate how stressed they feel at the moment at two time points (baseline and after the PMR intervention) on a questionnaire (VAS: item ranges from 0 (not stressed at all) - 100 (very stressed). Change scores are calculated (post- minus pre-scores).

Time frame: Change from pre (baseline) to post scores (30 minutes later)

Change in physiological relaxation

Electromyography is used to assess participants' physiological relaxation status at baseline and after the PMR intervention. Change scores are calculated (post- minus pre-scores).

Time frame: Change from pre (baseline) to post scores (30 minutes later)

Data from ClinicalTrials.gov

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