You can give it everything you've got for 5 or 10 seconds. Those are your options with the viiiv Pro.

However, we occasionally get questions about why there aren't more options for longer durations. 

Most often the people who ask this question have heard about something called Timed Static Contractions (TSC). This practice ...

A popular buzzword in the high intensity training strength training community is Minimum Effective Dose (MED). This simply means the smallest dose that will produce a desired outcome. Well, if the desired outcome is improved strength and physical fitness the following takes MED to a completely new level.    

Based on my experience over nearly ...