Mark L. Canny, Jeffrey M. Thompson, Mikel J. Wheeler; Reliability of the Box and Block Test of Manual Dexterity for Use With Patients With Fibromyalgia. Am J Occup Ther 2009;63(4):506-510. doi: 10.5014/ajot.63.4.506.
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© 2019 American Occupational Therapy Association
OBJECTIVE. The aim of this study was to determine the reliability of the Box and Block (B&B) Test of Manual Dexterity for upper-extremity function in patients with fibromyalgia and to compare their results with those of healthy control participants.
METHOD. We assessed reliability of the B&B Test within and between testers using the intraclass correlation coefficient (ICC). We compared fibromyalgia patient (n = 30) and control group (n = 30) scores using analysis of variance and population-based normative data.
RESULTS. The B&B Test was reliable with ICCs of .90 to .85. Fibromyalgia patients’ B&B Test scores were significantly lower (more impaired) than those of the control group and standardized norms.
CONCLUSIONS. The B&B Test is a reliable measure of upper-extremity function in fibromyalgia patients and is able to reveal a reduction in upper-extremity function in these patients compared with both healthy control participants and normative scores.
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