BACKGROUND Physical activity (PA) can benefit pain and emotional functioning for patients with chronic pain. However, associations between different intensities of PA (moderate-to-vigorous PA, light PA, and sedentary behavior), pain, and emotional functioning are not well understood in patients with chronic pain. OBJECTIVE The goals of this study were to (1) describe PA patterns of adult patients with chronic pain using accelerometers and (2) explore preliminary associations between PA intensities, pain, and emotional functioning. METHODS Thirteen patients with chronic pain completed self-report measures of pain, cognitive and emotional reactions to pain, depression and anxiety, and wore ActiGraph accelerometers for 1 week before participating in a pilot mind-body PA intervention. RESULTS Sedentary behavior and light activity were strongly inversely correlated (r = -0.93, P < 0.01). Greater sedentary behavior was associated with lower pain during activity (r = -0.55, P = 0.05), and greater light activity was correlated with higher pain during activity (r = 0.63, P = 0.02) and pain at rest (r = 0.54, P = 0.06). However, greater moderate-to-vigorous PA was correlated with lower pain at rest (r = -0.66, P = 0.01), pain catastrophizing (r = -0.53, P = 0.06), depression (r = -0.44, P = 0.14), and anxiety (r = -0.57, P = 0.04). CONCLUSIONS Objective accelerometer-measured PA has the potential to reveal differential associations between PA intensities, pain, and emotional functioning. Findings here suggest preliminary recommendations to focus on interconnections between moderate-to-vigorous PA, pain at rest, pain catastrophizing, anxiety, and depression for patients with chronic pain.

中文翻译：

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加速度计测量慢性疼痛患者身体活动和情绪功能的探索性分析

背景 身体活动 (PA) 可以有益于慢性疼痛患者的疼痛和情绪功能。然而，在慢性疼痛患者中，不同强度的 PA（中度至剧烈 PA、轻度 PA 和久坐行为）、疼痛和情绪功能之间的关联尚不清楚。目的 本研究的目的是 (1) 使用加速度计描述成年慢性疼痛患者的 PA 模式，以及 (2) 探索 PA 强度、疼痛和情绪功能之间的初步关联。方法 13 名慢性疼痛患者完成了对疼痛、对疼痛、抑郁和焦虑的认知和情绪反应的自我报告测量，并在参加试点身心 PA 干预之前佩戴 ActiGraph 加速度计 1 周。结果久坐行为和轻度活动呈强负相关（r = -0.93，P < 0.01）。久坐行为越多，活动时疼痛越轻（r = -0.55，P = 0.05），轻度活动越多，活动时疼痛（r = 0.63，P = 0.02）和休息时疼痛（r = 0.54， P = 0.06）。然而，较大的中度至剧烈的 PA 与较低的休息时疼痛 (r = -0.66, P = 0.01)、灾难性疼痛 (r = -0.53, P = 0.06)、抑郁 (r = -0.44, P = 0.14) 相关) 和焦虑 (r = -0.57, P = 0.04)。结论 客观加速度计测量的 PA 有可能揭示 PA 强度、疼痛和情绪功能之间的差异关联。这里的研究结果提出了初步建议，重点关注中度到剧烈的 PA、休息时疼痛、