4Fiete Lange,Johannes H.Van Der Hoeven A new surface electiomyography analysis method to determine spread of muscle fiber J Appl Physiol 93:759-764,2002.
9Adama,Deluea C.Recruitment Order of Motor Units in Human Vastus Lateralis Muscle is Maintained during Fatiguing Contractions[J],Nettrophysiol,2003,90:2919-2927.