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Evaluation of Kinematic and Kinetic Variables After Knee Joint Surgery Before and After 8 Weeks of Individual Training (Case Study)

The knee joint is one of the largest joints in the human body that, like all other joints in the body, is affected by defects, injuries and disease processes. The aim of this study was to identify the source of injury, to provide the best way to return to group training and play after knee joint surgery. This case study on a patient with a male gender, age 35 years, right upper leg, futsal sport with inclusion criteria having a history of surgery 3 times on the right knee (ACL, MCL, ALL, external and internal meniscus), Based on the analysis and performance tests, (curve tracking, squat, squat jump, body sway). The increase of the invertor / ankle evertor at the peak of pronation on the left side was excessive and gait pattern was asymmetric, according to the comparison of balance assessments Static and dynamic were observed between the balance in the right and left legs in the body sway test, the rate of balance in the body in the lateral (medial-lateral) direction was not the same (14.63%). The amount of control force in the left foot was more than the right foot, balance in the closed eye position in the right leg is less than the open eye position, control force in the left leg is more than the right leg, productive force on the left and right legs was almost the same. Conclusion, one-legged balance exercises for both sides, deep sensory strengthening of the knee and ankle (especially on the right side) and quadriceps and plantarflexor muscles are recommended. dynamic and static balance, especially in the medial-lateral direction, needs rehabilitation and improvement. The exercises, closed movement chain training techniques, balance, eccentric exercises with high repetition and low resistance, and facilitation of reflexes by reactionary exercises are suggested, respectively.

Kinematics, Kinetics, Knee Joint, 8 Weeks of Training, Return to Play

Ali Fattahi, Behshad Panjehzadeh. (2023). Evaluation of Kinematic and Kinetic Variables After Knee Joint Surgery Before and After 8 Weeks of Individual Training (Case Study). Education Journal, 12(5), 217-223.

Copyright © 2023 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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