Comparison of Selected Knee Kinematic Factors during Single Leg Landing after Six Weeks of Multi-Angled Isometric Exercises on Knee Joint Flexor and Extensor Muscle Groups

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Abbaszadeh Dahaji Amir; AMIR SEYFADDINI MOHAMMAD REZA; Nikooie Rohollah

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Journal: SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE Year:2019 | Volume:8 | Issue:2 Page(s): 182-190

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Title

Comparison of Selected Knee Kinematic Factors during Single Leg Landing after Six Weeks of Multi-Angled Isometric Exercises on Knee Joint Flexor and Extensor Muscle Groups

Author(s)

Abbaszadeh Dahaji Amir | AMIR SEYFADDINI MOHAMMAD REZA | Nikooie Rohollah | Issue Writer Certificate

Keywords

Anterior cruciate ligamentQ1

Multi-angled isometric exercisesQ1

Knee valgusQ1

Deep knee flexionQ1

Tibia rotationQ1

Abstract

Background and Aims: Single-leg landing is a common movement in many sports and is known to be an important cause of non-contact Anterior cruciate ligament injury, since some well-known exercises have a beneficial effect on the non-contact injuries. The purpose of the current study was to compare male individuals' selected knee kinematic factors during single leg landing after six weeks of Multi-angled isometric exercises on knee joint flexor and extensor muscle groups. Materials and Methods: In the present study, 30 males (mean age: 24. 82 ± 1. 88 y, weight: 78. 8 ± 1. 08 kg, height: 1. 87 ± 0. 05 m) were objectively selected. Participants were randomly divided into two groups of isometrics (n=15) and controls (n=15). Prior to and six weeks after the exercises (3 sessions per week), at the same time and place, the single-leg landing motion was recorded by the motion analysis system, and using MATLAB software the values of Knee valgus, knee flexion, and Tibia rotation were evaluated. During the research period, the control group did not have any therapeutic intervention program. The results of the study were analyzed using covariance analysis. Results: The results showed that there was a significant decrease in the valgus angle after training (P=0. 029), a significant increase in knee flexion angles (P=0. 001), and a significant decrease in the angle of Tibia rotation (P =0. 000) Conclusion: According to the results, multi-angular isometric exercises have a positive effect on the selected kinematic factors studied in the present study. These factors are important factors in the Anterior cruciate ligament injury; therefore, it seems that such exercises can be carried out without the need for certain specialties. These exercises are suggested to prevent Anterior cruciate ligament injury.

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APA: Copy

Abbaszadeh Dahaji, Amir, AMIR SEYFADDINI, MOHAMMAD REZA, & Nikooie, Rohollah. (2019). Comparison of Selected Knee Kinematic Factors during Single Leg Landing after Six Weeks of Multi-Angled Isometric Exercises on Knee Joint Flexor and Extensor Muscle Groups. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, 8(2 ), 182-190. SID. https://sid.ir/paper/239386/en

Vancouver: Copy

Abbaszadeh Dahaji Amir, AMIR SEYFADDINI MOHAMMAD REZA, Nikooie Rohollah. Comparison of Selected Knee Kinematic Factors during Single Leg Landing after Six Weeks of Multi-Angled Isometric Exercises on Knee Joint Flexor and Extensor Muscle Groups. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE[Internet]. 2019;8(2 ):182-190. Available from: https://sid.ir/paper/239386/en

IEEE: Copy

Amir Abbaszadeh Dahaji, MOHAMMAD REZA AMIR SEYFADDINI, and Rohollah Nikooie, “Comparison of Selected Knee Kinematic Factors during Single Leg Landing after Six Weeks of Multi-Angled Isometric Exercises on Knee Joint Flexor and Extensor Muscle Groups,” SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, vol. 8, no. 2 , pp. 182–190, 2019, [Online]. Available: https://sid.ir/paper/239386/en

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