Impact of Repetitive Activity on Fibromyalgia Symptoms

Impact of Repetitive Activity on Fibromyalgia Symptoms.

Repetitive Activity & Fibro

by Kristin Thorson, Fibromyalgia Network Editor
Posted: April 29, 2011

You know that using the same muscle groups over and over causes pain to build up rapidly in these areas. Ideally, you need to take lots of rest breaks, although this is seldom a feasible option. Once you have experienced this, it’s just a reality of living with fibromyalgia, and you learn to adapt. You are not lazy, nor are you exaggerating your pain response to repetitive activity. But how do you get others to understand what it feels like to live in your fibro body?

A new study by a Canadian team helps substantiate this escalating pain experience.* It also documents that movement-related pain is more severe for people with fibromyalgia compared to patients with chronic low back pain. And better yet, these differences between fibro and low back pain are not related to depression or fear of movement.

The repetitive task study required patients to lift 18 canisters off a table in front of them (just hold it for a second, then place it back down). The canisters were waist high and arranged in three rows. Those in the front row could be lifted without reaching or bending forward. Lifting the canisters in the second and third rows required additional stretching and strain on the arms and back when reaching for them. With each successive canister lift, the subjects rated their pain level and how heavy they perceived the canister to be (some were filled with more sand than others but they all looked identical).

Fibromyalgia patients reported more intense pain than the back pain patients after lifting the sixth through 18th canister. As the number of canisters lifted increased, so did the pain caused by the repetitive activity, and more so for the fibro group of patients. These differences were not due to lifting the canisters longer or faster, as both patient groups performed the lifting task with the same speed.

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