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Indian Journal of Physiotherapy and Occupational Therapy - An International Journal
Year : 2019, Volume : 13, Issue : 3
First page : ( 201) Last page : ( 206)
Print ISSN : 0973-5666. Online ISSN : 0973-5674.
Article DOI : 10.5958/0973-5674.2019.00119.9

Reliability of a Novel Test for Teres Major Muscle Length

An Joong-yeol1, Weon Jong-hyuck2,*, Jung Do-young3, Kim Moon-Hwan4, Jeon In-cheol5

1Department of KEMA Therapy, Graduate School of Humanities Industry

2Department of Physical Therapy, College of Tourism & Health Science

3Department of Physical Therapy, College of Tourism & Health Science; Joongbu University, Geumsan, South Korea

4Department of Rehabilitation Medicine, Wonju Severance Christian Hospital, Wonju, South Korea

5Department of Physical Therapy, College of Life & Health Sciences, Hoseo University, Asan, South Korea

*Corresponding author: Jong-hyuck Weon, jhweon@joongbu.ac.kr

Online published on 11 July, 2019.

Abstract

This study compared the inter- and intra-rater reliability of two methods for measuring the length of the teres major. The length of the teres major was measured using the active shoulder flexion test, with and without external rotation, and the teres major length test. Each examiner used both methods in a single session. Intra- and inter-rater reliability were assessed using the intra-class correlation coefficient (ICC3,1). The independent t-test was used to compare the teres major lengths of the groups. The intra-rater reliability of the active shoulder flexion test and teres major length test was excellent (ICC3,1 = 0.84 and 0.96, respectively), as was the inter-rater reliability (ICC3,1 = 0.83 and 0.91, respectively). There was a significant difference in teres major length between the normal and shortened groups (150.30° and 134.86°, respectively; p<0.05). Our results suggest that the active shoulder flexion test and teres major length test can be reliably applied to determine the length of the teres major.

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Keywords

Shoulder dysfunction, Muscle length test, Teres major, Reliability.

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