Muscle fibre size decreased by -322 m ( 2 ) ( 95 % confidence interval ( CI ) : -899 to 255 ; P = 0.473 ) in the CON-group and increased by +206 m ( 2 ) ( 95 % CI : -384 to 796 ; P = 0.257 ) in the INT-group ( adjusted mean difference ( AMD ) , +625 m ( 2 ) , 95 % CI : -253 to 1503 , P = 0.149 ) .