patellar tendinopathy, jumpers knee
Conditions
Interventions
In the first part of the study, all subjects perform three functional tests under four different conditions (patellar strap, sports tape, sports tape (placebo), control). The order of the conditions i
Sponsors
UNiversity Medical Center Groningen
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age 18-50 years; 2. Current symptoms of knee pain in the patellar tendon or its patellar or tibial insertion in connection with training and competition in one or both knees; 3. Duration of symptoms for over three months (to exclude acute inflammatory tendon problems and de novo partial ruptures); 4. VISA- P score < 80; 5. Palpation sensitivity in the patellar knee area; 6. Participating athlete.
Exclusion criteria
Exclusion criteria: 1. Acute knee and patellar tendon problems; 2. Chronic joint disease(s); 3. Signs or symptoms of other knee pathologies.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The Visual Analogue Scale (VAS) for pain will be used as the main study outcome in both parts of the study. With this measure subjects indicate on a continuous line between two end points their level of pain. The VAS pain scale is a valid and reliable measure of chronic and acute pain intensity (Bijur, Silver, & Gallagher, 2001) (Downie et al., 1978). In the first part, the primary study parameter is the VAS pain score after ten single leg decline squats. In the second part of the study, the primary study parameter is the difference between the baseline and the intervention week in the average score on the VAS pain scale during sports. | — |
Secondary
| Measure | Time frame |
|---|---|
| In the first part of the study, the secondary study parameter is the VAS pain score after the maximal vertical jump test and the triple hop test. Furthermore, the height in meters of the highest jump during the maximal vertical jump test for each condition and the distance in meters that is covered by three jumps during the triple hop test are considered secondary study outcomes. In the second part of the study, the difference in average VAS pain score between the baseline week and the intervention week in the two hours after sports and the next morning are secondary study parameters. The difference in sports participation (the number and duration of training/matches and missed training/matches a week) between the baseline week and the intervention week is also a secondary study outcome. | — |
Contacts
Public ContactI. Akker-Scheek, van den
University Medical Center Groningen P.O. BOX 30001
Outcome results
None listed