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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Reliability of measuring pectoralis minor muscle resting length in subjects with and without signs of shoulder impingement

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Author(s):
Rosa, Dayana P. [1] ; Borstad, John D. [2] ; Pires, Elisa D. [3] ; Camargo, Paula R. [3]
Total Authors: 4
Affiliation:
[1] Univ Metodista Piracicaba UNIMEP, Programa Posgrad Fisioterapia, Piracicaba, SP - Brazil
[2] Ohio State Univ, Dept Phys Therapy, Columbus, OH 43210 - USA
[3] Univ Fed Sao Carlos UFSCar, Dept Fisioterapia, Sao Carlos, SP - Brazil
Total Affiliations: 3
Document type: Journal article
Source: BRAZILIAN JOURNAL OF PHYSICAL THERAPY; v. 20, n. 2, p. 176-183, MAR-APR 2016.
Web of Science Citations: 10
Abstract

Background: Pectoralis minor adaptive shortening may change scapula resting position and scapular kinematics during arm elevation. A reliable and clinically feasible method for measuring pectoralis minor length will be useful for clinical decision making when evaluating and treating individuals with shoulder pain and dysfunction. Objectives: To evaluate intrarater, interrater, and between-day reliability of a pectoralis minor (PM) muscle length measurement in subjects with and without signs of shoulder impingement. Method: A convenience sample of 100 individuals (50 asymptomatic and 50 symptomatic) participated in this study. Intra- and interrater reliability of the measurement was estimated in 50 individuals (25 asymptomatic and 25 symptomatic), and between-day reliability of the measurement repeated over an interval of 7 days was estimated in an independent sample of 50 additional participants. Pectoralis minor length was measured using a flexible tape measure with subjects standing. Results: Intraclass correlation coefficients (ICC3,k) for intrarater and interrater reliability ranged from 0.86-0.97 and 0.95 for between-day reliability in both groups. Standard error of measurements (SEM) ranged from 0.30-0.42 cm, 0.70-0.84 cm, and 0.40-0.41 cm for intrarater, interrater, and between-day reliability, respectively, across the sample. The minimal detectable change (MDC) for between-day measurements ranged from 1.13-1.14 cm for both groups. Conclusions: In asymptomatic individuals and in those with signs of shoulder impingement, a single rater or pair of raters can measure pectoralis minor muscle length using a tape measure with very good reliability. This measurement can also be reliably used by the same rater over a seven day interval. (AU)

FAPESP's process: 13/50363-2 - Effects of pectoralis minor stretching on resting muscle length and scapular kinematics during elevation of the arm in asymptomatics subjects and people with shoulder pain
Grantee:Paula Rezende Camargo
Support Opportunities: Regular Research Grants
FAPESP's process: 12/20305-8 - Effects of pectoralis minor stretching on resting muscle length and scapular kinematics during elevation of the arm in asymptomatics subjects and people with shoulder pain
Grantee:Paula Rezende Camargo
Support Opportunities: Regular Research Grants