Clinical and Functional Characteristics of People With Chronic and Recent-Onset Plantar Heel Pain

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Abstract

Background Plantar heel pain is a common condition that reduces health-related quality of life. Recovery usually occurs within 12 months; however, up to 20% of people remain symptomatic beyond this time frame. The level of pain and function in this chronic heel pain group is not well described. Objective To identify clinical and functional characteristics associated with chronic plantar heel pain compared with heel pain of recent onset. Design Cross-sectional study. Setting University research laboratory and private physiotherapy clinic. Participants A total of 71 people with plantar heel pain for longer than 12 months and 64 people with plantar heel pain for less than 6 months were recruited from the general public. Methods Functional characteristics of participants in both heel pain groups were assessed with a variety of clinical measures and the Foot Health Status Questionnaire. Clinical measures included body mass index, foot and ankle muscle strength using hand-held dynamometry, as well as ankle and first metatarsophalangeal joint range of motion. The Foot Health Status Questionnaire was used to collect self-reported measures of foot pain severity, foot function and physical activity. Main Outcome Measurements Univariate analyses of variance were performed to detect differences between the 2 groups for each of the variables measured. Results The chronic heel pain group exhibited reduced ankle dorsiflexor and toe flexor strength yet better self-reported foot function. There was no difference between groups for body mass index, ankle and first metatarsophalangeal joint range of motion, inversion strength, eversion strength, calf endurance, self-reported foot pain, and physical activity. Conclusions Chronic plantar heel pain is associated with selective weakness of foot and ankle muscle groups but less affected foot function compared with heel pain of recent onset. Those with chronic symptoms may moderate or make adaptations to their daily activities, or simply accept their condition, enabling more effective coping. Strength deficits, although possibly a cause or consequence of chronic symptoms, suggest a need to include resistance exercise in the management of plantar heel pain. Level of Evidence IV

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APA

Barnes, A., Sullivan, J., Pappas, E., Adams, R., & Burns, J. (2017). Clinical and Functional Characteristics of People With Chronic and Recent-Onset Plantar Heel Pain. PM and R, 9(11), 1128–1134. https://doi.org/10.1016/j.pmrj.2017.04.009

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