sefulness of a modified Åstrand bicycle test for VO2 max measurement: a comparison with the regular Åstrand bicycle test in subjects with Musculo Skeletal Pain Disorders (MSPDs) and healthy subjects

Conditions: Musculo-skeletale pijnklachten (oa chronische lage rugpijn, fibromyalgie)
Musculo-skeletal discorders (MSDs)
muscle and skeletal complaints

Registration Number: NL-OMON31317

Lead Sponsor: Revalidatiecentrum Blixembosch

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: Not specified

Target Recruitment: 60

Inclusion Criteria

MSPD-group:
- The subjects need to be diagnosed with MSPD by their General Practitioner or Medical specialist. In this study, it only applies to specific and a-specific low back pain, specific and a-specific pelvic or lower extremity pain, chronic pain syndromes and fibromyalgia. The rehabilitation physician indicated that treatment was suitable to diminish the limitations resulting from this MSPD. At the moment of inclusion, the subject with MSPDs has to be under supervision in Rehabilitation Centre Blixembosch, Eindhoven. ;General inclusion criteria:
- Age between 30 and 65 years
- Ability to walk 100 meters without interruption

Exclusion Criteria

- Not able to read and speak sufficient Dutch (because of the questionnaires)
- The use of β-blockers
- Suffering from neurological, metabolic, cardiovascular or pulmonary disease making aerobic capacity testing impossible
- Major psychiatric conditions
- Pregnancy
- Other medical co-morbidity which impede intensive aerobic capacity testing

Study & Design

Study Type: Observational invasive

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Group of healthy subjects: difference of maximal volume oxygen uptake (VO2 max<br /><br>in mL/kg lean body mass/min (mL/kg LBM.min-1)) between the two test methods in<br /><br>percentages. Golden standard is the regular Åstrand test.<br /><br><br /><br>MSPD group: the amount of drop-outs. If possible (regarding the amount of<br /><br>drop-outs and the study power), the difference of maximal volume oxygen uptake<br /><br>between the two test methods in percentages is also a main study parameter in<br /><br>this group. Than also the regular Åstrand test is seen as the golden standard.</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>Healthy group: the amount of drop-outs<br /><br>Both groups: general self-efficacy, pain (expected maximal pain during the<br /><br>Åstrand test and actual experienced pain during the Åstrand test), perceived<br /><br>exertion, and an estimation of the chance of completing the Åstrand test.</p><br>