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How accurate are visual assessments by physical therapists of lumbo-pelvic movements during the squat and deadlift?
Department of Health, Education and Technology, Luleå University of Technology, Luleå, Sweden.
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.
2021 (English)In: Physical Therapy in Sport, ISSN 1466-853X, E-ISSN 1873-1600, Vol. 50, p. 195-200Article in journal (Refereed) Published
Abstract [en]

Objectives: To investigate the accuracy of visual assessments made by physical therapists of lumbo-pelvic movements during the squat and deadlift and how much movement is considered injurious.

Design: Quantitative Cross-sectional.

Participants: 14 powerlifters, 10 Olympic weightlifters and six physical therapists.

Setting: The lifters were recorded simultaneously by video and an inertial measurement unit (IMU) system while performing squats and deadlifts. The physical therapists assessed the videos and rated whether specific lumbo-pelvic movements were visible during the lifts and whether the movement amplitude was considered injurious.

Main outcome measures: The nominal visual assessments, if there was a movement and if it was considered injurious, were compared to the degrees of movement attained from the IMU system.

Results: During the squat, a posterior pelvic tilt of ≥34° was required to visually detect the movement. For other lumbo-pelvic movements, there was no significant difference in the amount of movement between those who were assessed as moving or not moving their lumbo-pelvic area, nor was there a difference in movement amplitude between those who were assessed as having an increased risk of injury or not.

Conclusions: Physical therapists did not consistently detect lumbo-pelvic movements during squats and deadlifts when performed by competitive lifters.

Place, publisher, year, edition, pages
2021. Vol. 50, p. 195-200
Keywords [en]
Inertial measurement units, Kinematics, Movement analysis, Powerlifting, Weightlifting
National Category
Physiotherapy
Identifiers
URN: urn:nbn:se:umu:diva-185323DOI: 10.1016/j.ptsp.2021.05.011ISI: 000661948900025Scopus ID: 2-s2.0-85108073148OAI: oai:DiVA.org:umu-185323DiVA, id: diva2:1574396
Available from: 2021-06-28 Created: 2021-06-28 Last updated: 2023-09-05Bibliographically approved

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Aasa, UlrikaBerglund, Lars

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