The anterior cruciate ligament (ACL) plays a crucial role in maintaining knee stability and enabling dynamic movement. ACL injuries are common, especially among athletes, and reconstruction surgery is frequently performed to restore knee function. Despite rehabilitation, neuromuscular deficits-particularly in muscle activation timing-may persist. This study will aim to evaluate the activation timing of quadriceps and hamstring muscles during a functional task in individuals who have undergone ACL reconstruction.
Who can participate
Age range18 Years – 45 Years
SexMALE
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Inclusion Criteria:
* participants must be males between 18 and 45 years old
* must have undergone ACL repair surgery and be within 6 months to 2 years post-surgery
* should have completed a standard rehabilitation program post-surgery
* must provide written informed consent to participate in the study
* should be in generally good health, without any other significant medical conditions that could affect the study outcomes;
* must have returned to a moderate level of physical activity post-surgery
Exclusion Criteria:
* participants with any neurological disorders affecting lower limb function or any other musculoskeletal disorders or injuries that could affect the lower limb, apart from the ACL injury
* those with cardiovascular conditions that contraindicate participation in physical activity
* those with contraindications to kinesiological electromyography, such as skin conditions or allergies to electrodes
* those who are unable or unwilling to comply with study procedures and follow-ups
* those who have had multiple ACL surgeries on the same knee
* participants involved in ongoing litigation related to their ACL injury
What they're measuring
1
Electromyography
Timeframe: Single session (approximately 15-20 minutes per participant)