Effects of an 8-week selective corrective exercises program on electromyography activity of scapular and neck muscles in persons with upper crossed syndrome: Randomized controlled trial

Postural disorders disturb muscle activity and lead to joint dysfunction. This study aimed to evaluate the effects of an 8-week selective corrective exercises program on electromyography activity of scapular and neck muscles in persons with upper crossed syndrome (UCS). Randomized controlled trial....

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Bibliographic Details
Published in:	Physical therapy in sport Vol. 37; pp. 113 - 119
Main Authors:	Arshadi, Rasoul, Ghasemi, Gholam Ali, Samadi, Hadi
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 01-05-2019 Elsevier Limited
Subjects:	Electromyography Exercise therapy Exercise Therapy - methods Female Humans Intercostal Muscles - physiopathology Male Muscle function Musculoskeletal diseases Musculoskeletal Diseases - physiopathology Musculoskeletal Diseases - therapy Neck Neck Muscles - physiopathology Physical therapy Posture Posture - physiology Scapula muscles Sports medicine Studies Superficial Back Muscles - physiopathology Young Adult Musculoskeletal diseases Scapula muscles Electromyography Exercise therapy
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Summary:	Postural disorders disturb muscle activity and lead to joint dysfunction. This study aimed to evaluate the effects of an 8-week selective corrective exercises program on electromyography activity of scapular and neck muscles in persons with upper crossed syndrome (UCS). Randomized controlled trial. Exercise evaluation was conducted in a laboratory setting. Study recruited 30 healthy males with UCS from university students, who were then randomly divided into the control group (age = 20.14 ± 1.71 years; height = 176.86 ± 4.7 cm; BMI = 21.20 ± 1.96 kg/m2) and the exercise group (age = 21.44 ± 2.06 years; height = 174.2 ± 4.0 cm; BMI = 20.62 ± 3.9 kg/m2). Electromyography activity of upper trapezius (UT), middle trapezius (MT), lower trapezius (LT), serratus anterior (SA), and sternocleidomastoid (SCM) was recorded before and after 8-week exercise program. T-test results revealed that baseline activity of SA (P < 0.05), had increased while UT (P < 0.05) and SCM (P < 0.05) activity as well as UT/SA (P < 0.05) and UT/LT (P < 0.05) ratios had decreased. In connection with these finding the effect sizes were large. Eight week corrective exercises balance muscles activity and can be used to manage developing upper quadrant musculoskeletal disorders in person with UCS. •Over active muscle during arm elevation lowered their activity after corrective exercise.•Low active muscle were be able to more active after corrective exercise.•After corrective exercise muscle balance achieved.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-News-1 ObjectType-Feature-3 content type line 23
ISSN:	1466-853X 1873-1600
DOI:	10.1016/j.ptsp.2019.03.008