Abstract Summary
Anterior cruciate ligament reconstruction (ACLR) patients were grouped into four distinct clusters, based on walking vertical ground reaction force (VGRF) traces and knee injury and osteoarthritis outcome subscores (KOOS), using a novel statistical approach. Distinct representative VGRF traces resulted for each cluster, and significant between-cluster differences existed for certain KOOS subscores, time post-ACLR, and number of symptomatic and asymptomatic patients.
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