Case-Based Review

Nonpharmacologic Treatment of Chronic Pain—A Critical Domains Approach


 

References

  • How effective is exercise for treating chronic pain and how should it be integrated into treatment?

Exercise

Over the last 5 years, a number of meta-analyses have been conducted to evaluate a robust literature regarding exercise interventions for the treatment of chronic pain [11–14]. The evidence is strong that patients with chronic pain benefit from increased physical activity and in many cases the effect size is quite substantial [14]. Meta-analytic data suggest that aerobic exercise results in significantly less pain and disability [13], improved physical fitness [14], less fatigue and better mood [14]. Exercise can be land-based or water-based [14], be conducted at a slight to moderate intensity and/or even involve only a program of walking [12]. Most established guidelines highlight the benefits of including exercise as part of the nonpharmacologic management of patients with chronic pain [15–18].

Data suggest that chronic pain patients should begin exercise training slowly starting at levels below capacity and increase duration and intensity over time until patients are exercising at low to moderate intensity (ie, 50% to 70% of age-adjusted maximum heart rate) for 20 to 30 minutes per session 2 to 3 times per week [19].

Obesity and deconditioning are common and are thought to contribute to pain sensitivity, poor sleep, and depressed mood [20]. Lisa is overweight and inactive. She injured her back and reports generally avoiding any form of exercise. Getting her moving will be imperative as an increase in physical activity could not only help her to lose weight, but could have the added benefits of decreasing her pain and stiffness, helping her sleep better and improving her mood and self-esteem. Yet, she reports not having the time or motivation.

A reasonable approach would be to not prescribe formal exercise at first but rather encourage small and immediate changes in how she already goes about her day. One concrete step would be to encourage her to stand up and stretch every 20 minutes or so while working at her computer. This is something that she cites as directly contributing to her pain. Next, an increase in physical activity such as adding a few steps every day and doing regular activities with more vigor would be a great initial step.

One of the most formidable barriers to getting patients to exercise is the perception that they must go to the gym and begin a formal program in order to achieve any benefit. As an employed single mother with two children Lisa likely lacks the time and resources for a formal exercise program. She could instead, begin a walking program that starts with reasonable goals (eg, 6000 steps per day) and builds at a slow and steady pace (eg, add 100 steps per day). Activity trackers range in price, but a simple pedometer can be found for under $10. By initiating such a walking program, the things she does already such as chores around the house all count as physical activity. She could do these with more energy and mindfulness and incrementally add activity over time.

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