I've noticed many times as soon as dudes jump out of their street clothes,warmup and throw weights,few if any stretch. Major mistake! The thing is as you get stronger and sit down all day your stronger tighter hams pull your lower spine down causing pelvic tilt-this causes the lower back pain endemic in 30 smth year old gym rats.
Flexibility exercises,ie stretching avoids this
One unknown advantage of stretching is improved lymph flow. Unlike blood which is pumped by the heart lymphatic fluid lack a pump;only deep breathing,massage and specifically stretching gets it flowing. Lymphatic fluid prevents infection as it fights disease causing microbes, so better flexibility via stretching is a win-win.
Flexibility exercises,ie stretching avoids this
One unknown advantage of stretching is improved lymph flow. Unlike blood which is pumped by the heart lymphatic fluid lack a pump;only deep breathing,massage and specifically stretching gets it flowing. Lymphatic fluid prevents infection as it fights disease causing microbes, so better flexibility via stretching is a win-win.