@ARTICLE{Rasouli Kahaki, author = {Khani Jazani, Reza and Saremi, Mahnaz and Rasouli Kahaki, Zeinab and Sanjari, Mohammad Ali and Kavousi, Amir and }, title = {Effect of flooring and footrest on muscle fatigue and discomfort in prolonged standing activities }, volume = {11}, number = {3}, abstract ={  Background and aims: prolongedstanding without significantmoving is a requirement of many jobs and is a known factor of causing musculoskeletal disorders that cause pain and discomfort in lower extremitiesand back discomfort.The purposeofthisstudy was to comparethe effects of cerami c surface,flooring andfootreston discomfort and muscle fatigue lower extremities during long- standing activities.   Methods : Thiscross-sectional study was carried out on15 student s with mean(SD) age of 21.5 ± (2.3 ) andmean height of 163± (2.8). Participants attended 3 sessions each lasting one hours. They stood on threedifferentsurfaces: ceramic, rubber flooringandfootrest.Surfaceelectromyographywas usedto assess themuscle fatigue. Body map and visual analog scale were employed to evaluate discomfort ratings of the lower extremitiesand the back . Dataanalyzseswere performedusingANOVA -R.   Results: Based onthe results ofelectromyography, there was no significant difference between soleus and lateral gastrocnemius muscles fatigue and type of surfaces.   There wasa significant differencebetween thesurfaces(p }, URL = {http://ioh.iums.ac.ir/article-1-1069-en.html}, eprint = {http://ioh.iums.ac.ir/article-1-1069-en.pdf}, journal = {Iran Occupational Health Journal}, doi = {}, year = {2014} }