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- Title
Effects of Isometric Pull-Down Exercises on Acromio-Humeral Distance According to Various Angle.
- Authors
Mi-Ra Lim; Na-Hyun An; Dong-Yeop Lee; Ji-Heon Hong; Jin-Seop Kim; Jae-Ho Yu
- Abstract
Background/Objectives: The aim of this study was to investigate the effects of isometric pull-down exercises on acromio-humeral distance(AHD) in 30°, 60°, 90° and 120° shoulder flexion angles, to establish the force required to achieve a clinically important in the AHD. Method/Statistical analysis: A total of thirty-six healthy volunteers(18 males and 18females) with a mean age of 19 years participated in this study. Ultrasonography was used to measure AHD in asymptomatic participants during resting position and while performing isometric pull-down exercises at 30°, 60°, 90° and 120° shoulder flexion. The load used during the isometric pull-down exercises was equivalent to 70% of 1RM. Findings: The change of AHD depending on the shoulder flexion angle was showed significant difference. According to the post-hoc test results, AHD was the longest at 90° shoulder flexion and there was a significant difference.(p<.05) However, there was no significant difference between gender and dominant/non-dominant arm when compared. Improvements/Applications: According to the results, there was an increase in AHD which shows the effectiveness of isometric pull-down exercise at 90° shoulder flexion. This study can be used as a base to prove the clinical importance of AHD and as well as a means to develop exercises which may benefit patients with shoulder pathology.
- Subjects
ISOMETRIC exercise; SHOULDER exercises; DISTANCES; SHOULDER
- Publication
Indian Journal of Public Health Research & Development, 2018, Vol 9, Issue 12, p2017
- ISSN
0976-0245
- Publication type
Article
- DOI
10.5958/0976-5506.2018.02160.5