Artículos de revistas
Eficiência neuromuscular dos músculos vasto lateral e bíceps femoral em indivíduos com lesão de ligamento cruzado anterior
Fecha
2015-03-01Registro en:
Revista Brasileira de Ortopedia, v. 50, n. 2, p. 180-185, 2015.
1982-4378
0102-3616
10.1016/j.rbo.2014.03.004
2-s2.0-84956671099
Autor
Universidade Estadual Do Oeste Do Paraná
Laboratório de Pesquisa Do Movimento Humano (Lapemh)
Universidade Federal do Paraná (UFPR)
Universidade Estadual Paulista (Unesp)
Institución
Resumen
Objective To analyze strength and integrated electromyography (IEMG) data in order to determine the neuromuscular efficiency (NME) of the vastus lateralis (VL) and biceps femoris (BF) muscles in patients with anterior cruciate ligament (ACL) injuries, during the preoperative and postoperative periods; and to compare the injured limb at these two times, using the non-operated limb as a control. Methods EMG data and BF and VL strength data were collected during three maximum isometric contractions in knee flexion and extension movements. The assessment protocol was applied before the operation and two months after the operation, and the NME of the BF and VL muscles was obtained. Results There was no difference in the NME of the VL muscle from before to after the operation. On the other hand, the NME of the BF in the non-operated limb was found to have increased, two months after the surgery. Conclusions The NME provides a good estimate of muscle function because it is directly related to muscle strength and capacity for activation. However, the results indicated that two months after the ACL reconstruction procedure, at the time when loading in the open kinetic chain within rehabilitation protocols is usually started, the neuromuscular efficiency of the VL and BF had still not been reestablished.