Two weeks of wearing a knee brace compared to minimal intervention on kinesiophobia at 2 and 6-weeks in people with patellofemoral pain: A randomized controlled trial

Publication date: Available online 10 December 2019

Source: Archives of Physical Medicine and Rehabilitation

Author(s): Liliam B. Priore, Simon Lack, Carmen Garcia, Fabio M. Azevedo, Danilo de Oliveira Silva

Abstract

Objective

To investigate the effect of a knee brace compared with minimal intervention on self-reported kinesiophobia and function, objective function and physical activity level in individuals with patellofemoral pain (PFP).

Design

Single-blind randomized controlled trial [1:1], parallel

Participants

Fifty individuals with PFP.

Main Outcome Measures

Primary: Kinesiophobia (Tampa Scale of Kinesiophobia). Secondary: self-reported function (Anterior Knee Pain Scale), physical activity level (International Physical Activity Questionnaire) and objective function (forward step-down test). Outcomes were assessed at baseline (T₀), at the end of the intervention (2-weeks) (T₁) and at 6-weeks after baseline (T₂).

Intervention

Participants were randomly assigned to one of two interventions groups: (i) use of knee brace for 2 weeks during daily living, sports or painful tasks (brace group); (ii) educational leaflet with information about PFP (leaflet group).

Results

The knee brace reduced kinesiophobia in people with PFP compared to minimal intervention with moderate effect size at T₁ = mean difference (95%CI) -5.56 (-9.18 to -1.93) and T₂ = -5.24 (-8.58 to -1.89). There was no significant difference in self-reported and objective function and physical activity level.

Conclusion

The knee brace improved kinesiophobia immediately after intervention (at 2-weeks) and at 6-weeks follow-up in people with PFP compared to minimal intervention. A knee brace may be considered within clinically reasoned paradigms to facilitate exercise-therapy interventions for people with PFP.

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