Belte r r a Cor p or at ion S afety M an ual D oc I D C H S M BE L 2 0 1 7 Pa g e 3 34 of 53 8 Doc u m e n t Identif icat ion S W P 012 P age Nu m b e r 8 OF 14 Doc u m e n t C r e ation Dat e F e bru a r y 02 2016 Im p le m e n tat ion Dat e Ma rc h 16 2016 7 2 Rep e t i t i o n W it h re pe a ted e ff orts the muscle s be g in to fa ti gue a nd the c a pa c it y to d o wor k be g ins to de c li ne The task ne e ds to be stopp e d for a pe riod in orde r fo r the bod y to re c ov e r T he len g th of ti me ne e d e d for re c ove r y de p e nds on t he task a s we ll a s the indi vidu a ls ph y si c a l conditi oning I f the bre a k is too short the bod y will not ha ve re c ove re d full y a nd th e c a pa c it y to do wor k d e c r e a se s more quickl y The fr e qu e nc y o f the task ma y h a ve a n im pa c t on t he sa fe wor kin g li mi ts As t he fr e que n c y of the t a sk incr e a s e s in a pe riod of ti me the a mount of f or c e a pe rson c a n e x e rt w il l dec re a s e 7 3 A w k w ard P o s t u r es Ne utra l post ure a c hiev e s the be st m usc le pow e r a n d joi nt st a bil it y with t he lea st amount of str e ss on t he bod y Ma int a ini n g spi na l c urve s n e utra l post ure whe n si tt ing standin g or movi ng he lps t he ve rte br a e a bsorb shoc k pro mot e s e ve n pre ssur e throu g h the discs a nd plac e s the mus c les in t he stronge st pos it ion An y bod y posi ti on c a n c a use discomfo rt a nd fa ti g ue if it i s maint a ined f o r long pe riod s o f tim e S tanding for e x a mpl e is a na tura l bod y post ure a nd b y it se lf pose s no p a rt icula r he a lt h ha z a rds How e ve r w orkin g for lo ng pe riods in a standing posi ti on c a n c a use sor e f e e t g e ne ra l m usc ular fa ti g ue a nd low ba c k p a in Ta bles a nd be nc h e s sho uld be a djust a ble for he ig ht Adjust ing the wor k he ig ht is pa rtic ular l y im porta nt to matc h the wor kstation to the wor ke r s indi vidual b od y siz e a nd to the wor k e r s pa rtic ular task I f th e wor kstation c a nnot be a djust e d plat f orms to ra ise the table or pe de stals on t op of wor ks tations shoul d be c onsi de re d Adjust