Pumping iron: Lighter weights just as effective as heavier weights to gain muscle, build strength -- ScienceDailyPumping iron: Lighter weights just as effective as heavier weights to gain muscle, build strength Date: July 12, 2016 Source: McMaster University Summary: New research is challenging traditional workout wisdom, suggesting that lifting lighter weights many times is as efficient as lifting heavy weights for fewer repetitions. It is the latest in a series of studies that started in 2010, contradictin
