Flexibility Pearls — time stretching

Should each muscle be stretched for the same length of time? In EasyFlexibility time is measured by the number of leverage-target pairs. So when someone would say I held this stretch five seconds or I held that stretch for 10 seconds, an EasyFlexibility practitioner would say I did two leverage-target pairs or I did four leverage-target pairs. EasyFlexibility students ask, should it always be the same for every muscle group? The answer is, there are variations even for every muscle specifically. The basic rule of thumb is if you cannot move the leverage you cannot move the target. For example,...