Comparison the effect of six weeks of neuromuscular and Proprioceptive Neuromuscular Facilitation (PNF) exercises on the rhythm and position of the scapula in elite bodybuilding athletes with scapular dyskinesis

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Moshrefi Mohammad; Minoonejad Hooman; Rajabi Reza

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Journal Paper

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Journal: Journal of Safety Promotion and Injury Prevention Year:2024 | Volume:12 | Issue:2 Page(s): 83-96

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Title

Comparison the effect of six weeks of neuromuscular and Proprioceptive Neuromuscular Facilitation (PNF) exercises on the rhythm and position of the scapula in elite bodybuilding athletes with scapular dyskinesis

Author(s)

Moshrefi Mohammad | Minoonejad Hooman | Rajabi Reza | Issue Writer Certificate

Keywords

Scapular Dyskinesis

Shoulder Girdle

Bodybuilders

Abstract

Background and Aim: The scapula and its optimal movement quality are vital factors in the health of the Shoulder Girdle system, and Scapular Dyskinesis is a common issue in this area. The aim of this study was to comparison the effect of six weeks of neuromuscular and PNF exercises on the rhythm and position of the scapula in elite bodybuilding athletes with Scapular Dyskinesis.

Materials and Methods: This semi-experimental study employed a pre-test, post-test design. The sample consisted of 30 Bodybuilders with Scapular Dyskinesis who were randomly divided into three groups of 10: a neuromuscular exercise group, a PNF group, and a control group. Scapular Dyskinesis was assessed using the McClure test, scapulohumeral rhythm was evaluated with an inclinometer at 45, 90, and 135 degrees, and scapular position was measured using the Kibler test in three positions: 0, 45, and 90 degrees. The training groups underwent their specific exercises for six weeks, while the control group received no specific intervention. Post-tests were conducted after the six-week period. Statistical analysis was performed using one-way ANOVA and paired t-tests at a significance level of 0.05.

Results: The one-way ANOVA results showed a significant difference between the study groups in the post-test for the variables of scapular position and scapulohumeral rhythm (P<0.05). LSD post-hoc test results indicated that the PNF training group had significantly lower values in all dependent variables compared to the other two groups in the post-test (P<0.05). Additionally, the neuromuscular training group had lower values in all variables, except for the 0-degree angle in scapular position, compared to the control group in the post-test (P<0.05).

Conclusion: PNF exercises had a greater effect on improving the scapulohumeral rhythm and scapular position in Bodybuilders with Scapular Dyskinesis. Therefore, it is recommended that coaches consider incorporating these exercises.

Please cite this article as:
Moshrefi M, Minoonejad H, Rajabi R. Comparison the effect of six weeks of neuromuscular and Proprioceptive Neuromuscular
Facilitation (PNF) exercises on the rhythm and position of the scapula in elite bodybuilding athletes with Scapular Dyskinesis. Irtiqa
Imini Pishgiri Masdumiyat. 2024: Vol 12: No 2: 83- 96. https://doi.org/10.22037/iipm.v1403i12.46305

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