Knee Discomfort, Knee Osteoarthritis, Knee Pain Chronic
Conditions
Brief summary
The goal of this intervention study is to assess the effect of blood flow restricted (BFR) exercise integrated into the daily work tasks among hospital workers with or at increased risk of chronic knee pain. The main questions are: Can BFR exercise integrated into the daily work tasks reduce knee pain (primary outcome) and improve function and work ability among hospital workers with or at increased risk of chronic knee pain? Participants in the intervention group will for shorts bouts during their workdays integrate BFR into their daily work tasks involving walking, whereas the control group will continue as usual.
Interventions
BEHAVIORALBlood flow restriction (BFR)
Blood flow restricted training integrated into the daily work tasks for 8 weeks.
BEHAVIORALUsual care (control)
Will continue their work as usual
Sponsors
University of Southern Denmark
University Hospital Bispebjerg and Frederiksberg
National Research Centre for the Working Environment, Denmark
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
18 Years to 67 Years
Healthy volunteers
Yes
Inclusion criteria
* Hospital workers working at least 20 hours per week with or without chronic knee pain (\>3 months)
Exclusion criteria
* Life-threatening disease * Conditions where BFR training may be contraindicated, e.g. pregnancy, cancer, diabetes, major cardiovascular disease, current, previous or family history of clotting disorders, recent immobilization, major surgery or injections into the joint (i.e. corticosteroid injection) * Systolic/diastolic blood pressure above 160/100 mmHg
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Pain intensity | Change pre-post 8 weeks of intervention | Change in worst knee pain intensity during the last week rated on a 11-point numeric rating scale (NRS) |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Functional performance | Change pre-post 8 weeks of intervention | 30-s chair-stand test, 40 m fast-paced walk test, a stair-climb test, maximal isometric knee extensor muscle strength |
| Work ability | Change pre-post 8 weeks of intervention | Single-item on physical work ability derived from the Work Ability Index (WAI) |
Other
| Measure | Time frame | Description |
|---|---|---|
| Work-related fatigue | Change pre-post 8 weeks of intervention | Rating af work-related fatigue in different body parts |
| Work-limiting pain | Change pre-post 8 weeks of intervention | Rating of the degree of work limitations due to pain |
Contacts
Primary ContactSebastian Skovlund
Outcome results
None listed