[ effects of external load and trunk posture on the electromyographic activity of trunk muscles in healthy females]

ABSTRACT

Background: epidemiological evidences have showed that low back pain fallowing load-carrying is the most common disorder in musclo-skeletal system and is common in industrialized countries.Moreover, little is known about how muscles are recruited when several option of the accomplishment of task are available. Thus this study aimed to examine the effects of external load and trunk posture on the electromyography activity of trunk muscles