Title :
Multi-muscle EMG pattern study of anterior cruciate ligament (ACL) injured subjects
Author :
Zhang, Li-Qun ; Shiavi, Richard
Author_Institution :
Dept. of Biomed. Eng., Vanderbilt Univ., Nashville, TN, USA
Abstract :
Electromyogram (EMG) linear envelope (LE) patterns of anterior cruciate ligament injured subjects are studied. Six muscles around the knee joints, the rectus femoris (RF), vastus lateral (VL), vastus medialis (VM), semitendinosus (ST), biceps femoris (BF), and medial gastrocnemius (GS), are analyzed. The results of a clustering analysis show that some clusters of patterns are mainly composed of ACL-injured subjects and contain somewhat different patterns from those of normal subjects: the ST bursts later than usual, the BF activates earlier, and the minor activity peak around toe-off of the quadriceps (RF, VL, VM) disappears
Keywords :
bioelectric potentials; muscle; anterior cruciate ligament injured subjects; biceps femoris; clustering analysis; knee joints; medial gastrocnemius; multimuscle EMG pattern; normal subjects; quadriceps; rectus femoris; semitendinosus; vastus lateral; vastus medialis; Biomedical engineering; Electromyography; Knee; Legged locomotion; Ligaments; Muscles; Pattern analysis; Radio frequency; Reactive power; Virtual manufacturing;
Conference_Titel :
Engineering in Medicine and Biology Society, 1989. Images of the Twenty-First Century., Proceedings of the Annual International Conference of the IEEE Engineering in
Conference_Location :
Seattle, WA
DOI :
10.1109/IEMBS.1989.95961
