The Four Week Power Primer Reviews & PDF Download. For most lifters the common problem is this—you’re strong, not explosive. Most lifters are strong, yet fail to convert strength into power because they can’t develop force fast enough. This results in strength plateaus and poor carryover into sport- specific tasks. Being able to generate force and doing it quickly is key in transitioning from eccentric to concentric in major lifts, like coming out of the hole in your squat. In the four week Power Primer we’ll maximize your rep speed to shatter strength plateaus and drive your numbers sky-high!