In the early days of weight training and muscle building, little was discussed about
the importance of stretching
. This lack of awareness and eventually the downright ignoring of the importance of flexible muscles led to people becoming muscle-bound - the inability for muscles to express their full range of motion. In extreme cases, muscle-bound shoulders prohibited arms from rising above one's head. We're going to take a deeper look at they whys and the ways you can encourage and maintain healthy flexibility.