Association between body fat indices and pain perception: Implications for self-reported pain and pressure pain threshold in people with knee osteoarthritis

IF 1.4 Q3 REHABILITATION

JOURNAL OF BODYWORK AND MOVEMENT THERAPIES Pub Date : 2025-09-20 DOI:10.1016/j.jbmt.2025.09.018

Natália Aparecida Casonato, Filipe Estevão Sette, Marialice Gyaraki da Silva, Paula João Francisco Venturini, Jessica Bianca Aily, Stela Marcia Mattiello

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引用次数: 0

Abstract

Background

Pain is the main disabling symptom in knee osteoarthritis (KOA). People with KOA are often overweight or obese, conditions associated with pain. However, the relationship between body fat indices and pain perception needs to be assessed using more accurate equipment, thereby establishing objective measures for its results.

Objectives

This study investigated the association between body fat indices and pain perception in people with KOA.

Methods

Eighty adults with KOA (58 ± 9 years, 60 % women) participated. Body fat indices were measured using Dual-Energy X-ray Absorptiometry (DEXA), and pain was assessed through pressure pain threshold (PPT) at local and remote sites. Self-reported pain was measured using the Numeric Pain Rating Scale (NPRS) and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Multiple linear regression models, adjusted for age and sex, were used to analyze these associations.

Results

Higher body fat percentage (% body fat) was associated with lower PPTs (β = 1.7; 95 % CI: 1.2–4.8) and higher WOMAC scores (β = 0.3; 95 % CI: 1.1–2.7); fat mass index (FMI) showed similar trends. Visceral adipose tissue (VAT) was only significantly associated with NPRS (β = 45.4; 95 % CI: 13.4–77.5).

Conclusion

Body fat mass is a key factor in pain perception in people with KOA. These findings underscore the importance of detailed body fat assessments in this population, which aid in developing more precise and personalized therapeutic interventions for managing chronic pain.

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体脂指数与疼痛感知之间的关系：膝关节骨关节炎患者自我报告的疼痛和压力痛阈的含义

研究背景疼痛是膝关节骨关节炎（KOA）的主要致残症状。KOA患者通常超重或肥胖，伴有疼痛。然而，体脂指数与疼痛感知之间的关系需要使用更精确的设备进行评估，从而为其结果建立客观的衡量标准。目的探讨KOA患者体脂指数与痛觉的关系。方法80例成年KOA患者（58±9岁），其中60%为女性。采用双能x线吸收仪（DEXA）测量体脂指数，并通过局部和远处部位的压痛阈值（PPT）评估疼痛。自我报告的疼痛采用数值疼痛评定量表（NPRS）和西安大略省和麦克马斯特大学骨关节炎指数（WOMAC）进行测量。采用调整了年龄和性别的多元线性回归模型来分析这些关联。结果较高的体脂率（%体脂）与较低的PPTs （β = 1.7, 95% CI: 1.2 ~ 4.8）和较高的WOMAC评分（β = 0.3, 95% CI: 1.1 ~ 2.7）相关；脂肪质量指数（FMI）也显示出类似的趋势。内脏脂肪组织（VAT）仅与NPRS显著相关（β = 45.4; 95% CI: 13.4-77.5）。结论体脂量是影响KOA患者疼痛感知的关键因素。这些发现强调了在这一人群中进行详细的体脂评估的重要性，这有助于开发更精确和个性化的治疗干预措施来管理慢性疼痛。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

JOURNAL OF BODYWORK AND MOVEMENT THERAPIES REHABILITATION-

CiteScore

2.80

自引率

0.00%

发文量

133

审稿时长

321 days

期刊介绍： The Journal of Bodywork and Movement Therapies brings you the latest therapeutic techniques and current professional debate. Publishing highly illustrated articles on a wide range of subjects this journal is immediately relevant to everyday clinical practice in private, community and primary health care settings. Techiques featured include: • Physical Therapy • Osteopathy • Chiropractic • Massage Therapy • Structural Integration • Feldenkrais • Yoga Therapy • Dance • Physiotherapy • Pilates • Alexander Technique • Shiatsu and Tuina