Low repetitions with heavy weight vs. High repetitions and light resistance. Which is better?

... will most likely promote heavy resistance paired with low repetitions. Whereas, other methods like martial arts, yoga, and Pilates tend to favor lighter resistance (if any) and high repetitions. To obtain the best results, make sure to always focus ...

http://www.examiner.com/article/low-repetitions-with-heavy-weight-vs-high-repetitions-and-light-resistance-which-is-better