Comparison of the Electromyographic Activity of Trunk and Hip Muscles during Standing in Females with and without Swayback Posture

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DARZI SHEIKH ZAHRA; SEIDI FOAD; RAJABI REZA; MINOONEJAD HOOMAN

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Journal: SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE Year:2019 | Volume:8 | Issue:2 Page(s): 119-128

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Title

Comparison of the Electromyographic Activity of Trunk and Hip Muscles during Standing in Females with and without Swayback Posture

Author(s)

DARZI SHEIKH ZAHRA | SEIDI FOAD | RAJABI REZA | MINOONEJAD HOOMAN | Issue Writer Certificate

Keywords

Electromyographic ActivityQ1

Trunk and Hip MusclesQ1

Sway Back PostureQ1

Pelvic TiltQ2

Abstract

Background and Aims: Swayback posture is one of the spinal abnormalities and one of the important causes for the pathology of the Lumbo-Pelvic region. However, due to inadequate information about the method of evaluation among researchers, and also lack of agreement about the muscular changes, less attention has been paid to muscle activity in this posture. Therefore, the purpose of the current study was to compare the Electromyographic Activity of Trunk and Hip Muscles during standing in females with and without swayback posture. Materials and Methods: For this purpose, 30 inactive females selected using purposive sampling method were assigned into two groups of swayback posture and control. Pelvic Tilt and sway angles were obtained with camera and electromyography signals from the thoracic and lumbar erector spine, lumbar multifidus, gluteus maximus, medial hamstring, rectus abdominis, external oblique abdominal, and rectus femoris muscles during standing posture. Results: The results of independent t-test demonstrated significant differences between swayback posture and control groups in the Pelvic Tilt (p ꞊ 0/001) and sway angles (p ꞊ 0/001). Also, no significant differences were shown between the two groups in the Electromyographic Activity of erector spine, lumbar multifidus, rectus abdominal, external oblique, and hip extensor muscles during standing (p > 0/05). Moreover, there was a significant difference between the two groups in the amounts of activity of the rectus femoris muscle (p ꞊ 0/012) and internal oblique (p ꞊ 0/018). Conclusion: The findings of the present study demonstrated that there are similar muscle contractions in the Trunk and Hip Muscles between two groups of Sway Back Posture and control, which contrary to the previous studies, the perception of passive swayback posture has been somewhat violated. Hence, this can provide a better understanding of the Sway Back Posture for trainers and athletes in assessment and rehabilitation.

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APA: Copy

DARZI SHEIKH, ZAHRA, SEIDI, FOAD, RAJABI, REZA, & MINOONEJAD, HOOMAN. (2019). Comparison of the Electromyographic Activity of Trunk and Hip Muscles during Standing in Females with and without Swayback Posture. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, 8(2 ), 119-128. SID. https://sid.ir/paper/239396/en

Vancouver: Copy

DARZI SHEIKH ZAHRA, SEIDI FOAD, RAJABI REZA, MINOONEJAD HOOMAN. Comparison of the Electromyographic Activity of Trunk and Hip Muscles during Standing in Females with and without Swayback Posture. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE[Internet]. 2019;8(2 ):119-128. Available from: https://sid.ir/paper/239396/en

IEEE: Copy

ZAHRA DARZI SHEIKH, FOAD SEIDI, REZA RAJABI, and HOOMAN MINOONEJAD, “Comparison of the Electromyographic Activity of Trunk and Hip Muscles during Standing in Females with and without Swayback Posture,” SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, vol. 8, no. 2 , pp. 119–128, 2019, [Online]. Available: https://sid.ir/paper/239396/en

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