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Br J Sports Med. 2012 Mar;46(4):247-52. doi: 10.1136/bjsports-2011-090204. Epub 2011 Sep 18.

A randomised control trial of short term efficacy of in-shoe foot orthoses compared with a wait and see policy for anterior knee pain and the role of foot mobility.

Author information

1
Division of Physiotherapy, School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, QLD 4072, Australia.

Abstract

OBJECTIVES:

To investigate the short-term clinical efficacy of in-shoe foot orthoses over a wait-and-see policy in the treatment of anterior knee pain (AKP) and evaluate the ability of foot posture measures to predict outcome.

DESIGN:

Single-blind, randomised control trial.

PARTICIPANTS:

Forty participants (18-40 years) with clinically diagnosed AKP of greater than 6-week duration, who had not been treated with orthoses in the previous 5 years.

INTERVENTION:

Prefabricated orthoses perceived as most comfortable from a selection of 3 different hardness values compared with a wait-and-see control group.

OUTCOME MEASURES:

Participant-perceived global improvement, Kujala Patellofemoral Score, usual and worst pain severity over the previous week and the Patient Specific Functional Scale measures at 6 weeks.

RESULTS:

Foot orthoses produced a significant global improvement compared with the control group (p = 0.008, relative risk reduction = 8.47%, numbers needed to treat = 2). Significant differences also occurred in measures of function (standardised mean difference = 0.71). Within the intervention group, individuals who exhibited a change in midfoot width from weight bearing to non-weight bearing of >11.25 mm were more likely to report a successful outcome (correct classification 77.8%).

CONCLUSION:

This is the first study to show orthoses provide greater improvements in AKP than a wait-and-see approach. Individuals with greater midfoot mobility are more likely to experience success from treatment.

CLINICAL TRIAL REGISTRATION:

ACTRN12611000492954.

PMID:
21930514
DOI:
10.1136/bjsports-2011-090204
[Indexed for MEDLINE]

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