Brachial FMD increased from baseline in the exertion-induced muscle injury and MT group and the MT only group ( 7.38 % .18 % to 9.02 % .28 % , P < .05 and 7.77 % .25 % to 10.2 % .22 % , P < .05 , respectively ) at 90 minutes and remained elevated until 72 hours .