Population
25 patients with pain persisting after a soft-tissue injury of the neck.
Comparison
Stepwise increased contraction induced by… vs Normal side in the unilateral pain group.
Design
Cross-sectional
Authors
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Impaired trapezius perfusion may sustain chronic neck pain symptoms; hypothesis-generating and requires prospective trials before any practice change.
Patients with chronic neck pain after soft-tissue injury demonstrate an impaired ability to increase trapezius muscle blood flow during static loads and fatigue on the painful side.
Larsson et al. (1994) studied this question.
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