Effect of Hip Adductors Isometric Contraction on Knee Extensors Isokinetic Torque in Patellofemoral Pain Syndrome
zaki, Y., Abdelsalam, M., Faggal, M., ezzat, M. (2023). Effect of Hip Adductors Isometric Contraction on Knee Extensors Isokinetic Torque in Patellofemoral Pain Syndrome. EKB Journal Management System, 16(1), 38-44. doi: 10.21608/ejpt.2023.204674.1129
yasmine ramadan zaki; Mohammed Shawki Abdelsalam; Mona Selim Faggal; mohamed ezzat. "Effect of Hip Adductors Isometric Contraction on Knee Extensors Isokinetic Torque in Patellofemoral Pain Syndrome". EKB Journal Management System, 16, 1, 2023, 38-44. doi: 10.21608/ejpt.2023.204674.1129
zaki, Y., Abdelsalam, M., Faggal, M., ezzat, M. (2023). 'Effect of Hip Adductors Isometric Contraction on Knee Extensors Isokinetic Torque in Patellofemoral Pain Syndrome', EKB Journal Management System, 16(1), pp. 38-44. doi: 10.21608/ejpt.2023.204674.1129
zaki, Y., Abdelsalam, M., Faggal, M., ezzat, M. Effect of Hip Adductors Isometric Contraction on Knee Extensors Isokinetic Torque in Patellofemoral Pain Syndrome. EKB Journal Management System, 2023; 16(1): 38-44. doi: 10.21608/ejpt.2023.204674.1129

Effect of Hip Adductors Isometric Contraction on Knee Extensors Isokinetic Torque in Patellofemoral Pain Syndrome

Egyptian Journal of Physical Therapy
Volume 16, Issue 1, December 2023, Page 38-44  XML PDF (328.65 K)
Document Type: Original Article
DOI: 10.21608/ejpt.2023.204674.1129
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Authors
yasmine ramadan zaki email orcid 1; Mohammed Shawki Abdelsalamorcid 2; Mona Selim Faggalorcid 3; mohamed ezzatorcid 4
1department of physical therapy for musculoskeletal disorders and its surgeries, faculty of physical therapy, Badr university in Cairo, Egypt
2Department of physical therapy for musculoskeletal disorders and its Surgery, Faculty of physical therapy, Cairo University
3Department of Physical Therapy for Musculoskeletal Disorders and its Surgery, Faculty of Physical Therapy, Badr University in Cairo, Egypt.
4Department of physical therapy for musculoskeletal disorders and its surgery. Faculty of physical therapy Cairo university, Egypt
Abstract
Abstract

Objective: To investigate if the isometric contraction of the hip adductors has an effect on the knee extensor peak torque either at 60⁰/s and 180⁰/s in patients with unilateral patellofemoral pain syndrome.
Methods: 30 male and female aged 18-35 years old, the peak torque of the knee extensor muscles was measured by using the isokinetic dynamometer at the speeds of 60⁰/s and 180⁰/s. The isometric peak torque of hip adduction was measured by using handheld dynamometer. The visual analogue scale was used for pain level assessment.
Results: The correlation between hip adduction isometric peak torque and concentric knee extension peak torque at 60⁰/s was weak negative non-significant correlation (r = -0.04, p = 0.82) and the correlation between hip adduction isometric peak torque and concentric knee extension peak torque at 180⁰/s was weak positive non-significant correlation (r = 0.08, p = 0.66). There was a significant decrease in pain without hip adductors isometric contraction at 180⁰/s compared with that at 60⁰/s (p = 0.001).
Conclusions: There was no significant interaction between the effect of hip adductors isometric contraction and knee extensor peak torque at angular velocities 60⁰/s and 180⁰/s. There was no significant difference in pain between with and without hip adductors isometric contraction at 60⁰/s and 180⁰/s. There was a significant decrease in knee pain with and without hip adductors isometric contraction at 180⁰/s compared with that at 60⁰/s.
Keywords
Key words. Patellofemoral pain syndrome (PFPS); Vastus medialis obliqus (VMO); Isokinetic dynamometer; Handheld Dynamometer (HHD)
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