maracotton7881 maracotton7881 24-05-2024 Health Answered What is the recommended duration and intensity of the static contraction phase during PNF stretching according to the ACSM?a. 1-2 sec of 100% MVCb. 5 sec of 100% MVCc. 3-6 sec of 50% MVC d. 10 sec of 75% MVC e. 15 sec of 60% MVC