The Easiest Way to Bring Up Lagging Muscles | STS 74

If you've been training hard for a while, you've likely found that some muscles tend to respond to your style of training more quickly than others. Perhaps your quads are growing steadily, but your calves or hamstrings seem to stay perpetually the same size. It can feel stupefying at best and downright disheartening at worst! Today, however, could change all of that, because you just may be 1 strategy away from solving that nagging problem.