Q: I’ve been lifting for about 1 1/2 years, trying to build a mass base, but it’s just not happening very fast. I like the idea of 3D Positions of Flexion [training each muscle in its midrange, stretch, and contracted positions], but almost everyone I talk to says to stick to only the big, basic exercises and forget about isolation moves. Should I just continue using the big basics and hope I build size and strength, or is now the time for me to try 3D POF?

A: Using only the big, basic exercises, what we call midrange-position moves like squats for quads, is fine for, say, a six-week phase every so often (like winter); however, we firmly believe that those who make big gains using only big exercises have an abundance of pure fast-twitch fibers and exceptional nerve-to-muscle connections (neuromuscular efficiency). They are genetically gifted, unlike the majority…