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Abstract Introduction: ACL injuries are common among athletes and individuals experiencing trauma, leading to instability and functional impairments. Post-ACL reconstruction, patients often face challenges like pain and reduced knee function, impacting their daily lives and sports participation. Methods This longitudinal observational study followed 98 ACL tear patients over three months with three subsequent assessments at preACLR, 1 month postACLR and 3 months post ACLR. Measures included Tegner Activity Scale, IKDC Subjective Knee Evaluation, Lysholm Knee Scoring Scale, pain scales, quadriceps thickness via ultrasound, and Rectus femoris and Vastus lateralis muscle activation via surface electromyography. Results Significant improvements were observed in Tegner Activity Scale scores (p < 0.001), IKDC scores (p < 0.001), Lysholm scores (p < 0.001), and pain scores (p < 0.001) over the study period. Ultrasonography and surface electromyography revealed ongoing quadriceps muscle atrophy and reduced neuromuscular function, highlighting the need for targeted rehabilitation. Conclusion Structured rehabilitation post-ACL reconstruction significantly improves functional outcomes and reduces pain. Challenges like muscle atrophy and decreased activation post-surgery emphasize the need for targeted rehabilitation strategies. Tailored programs are crucial for optimizing recovery, enhancing knee stability, and preventing long-term complications. Future research should refine protocols and ensure sustained improvements through long-term follow-up studies.
Sheenam et al. (Mon,) studied this question.