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Volume 8 Journal of Novel Physiotherapies
ISSN: 2165-7025 Novel Physiotherapies 2018
March 19-20,, 2018
March 19-20, 2018 | Berlin, Germany
5th International Conference and Expo on
Novel Physio therapies
The relationship among four measurements of round shoulder posture
Yuan-Chun Chiu, Hi-Hsuan Weng, Lin-Ling Huang, Szu-Jieh Mao, Chih-Chin Lai and Jiu-Jenq Lin
National Taiwan University, Taiwan
Rounded shoulder posture (RSP), associated with altered scapular kinematics and muscle activities can increase stress at
the shoulder and result in pain, numbness, loss of function, and various neuromuscular symptoms. This study investigated
the validity and reliability of four measurements for RSP in health subjects. Twenty-one healthy subjects (age: 22.3±2.0) were
recruited. Four RSP measurements including pectoralis minor index (PMI), acromial distance (AD), scapular index (SI)
and shoulder angle (SA) were taken on dominant shoulder of each subject. Convergent validity was presented by Pearson
correlation matrix among four tests. The intra-class correlation (ICC) (1, 3) was 0.96, 0.94, and 0.99 for SI, AD, and PMI,
respectively. Standard error of measurement was 1.2, 0.3 cm, and 0.1 for SI, AD, and PMI, respectively. High to moderate
Pearson correlations were r = -0.61 (p<0.05) between AD and SI, r = -0.52 (p<0.05) between AD and SA. Low correlations were
r = -0.22 (p>0.05) between AD and PMI and r = 0.29 (p>0.05) between SI and PMI. The standard error of the measurement
(SEM) values of AD and PMI reflected excellent test- retest agreement. Despite similar construct for measuring RSP among
four tests, only AD, SA and SI had high convergent validity. The study shows that SI and SA in addition to AD could be
alternative ways to measure RSP. On the other hand, the negative correlation between PMI and SI and AD demonstrates length
of pectoralis minor is highly related to RSP. Caution should be taken when interpreting these clinical measurements for RSP.
Biography
Yuan-Chun Chiu has completed his Undergraduate degree from Chung Shan Medical University in Taiwan and currently pursuing his master’s program at National
Taiwan University, Department of Physical Therapy.
Yuan-Chun Chiu et al., J Nov Physiother 2018, Volume 8
DOI: 10.4172/2165-7025-C1-023