This study investigates how simulated knee injury-via artificial joint effusion or deafferentation-affects quadriceps motor unit behavior in healthy young adults. Participants will complete neuromuscular testing during a single 2-hour lab session. This research seeks to improve understanding of muscle inhibition and inform interventions after real-world knee trauma.
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Motor Unit Recruitment (amplitude relative to recruitment threshold)
Timeframe: Baseline, 0, 30, and 60 minutes post-intervention
Motor Unit Recruitment (firing rate relative to recruitment threshold)
Timeframe: Baseline, 0, 30, and 60 minutes post-intervention