by Jonathon Sullivan MD, PhD, SSC, PBC Stopping the bar and switching from thataway in the groove to thisaway in the groove is not something that just happens. This is something that you, the athlete, must do. Momentum is an important physical quantity, and an important concept for those who still live in a world governed by laws and reason (a dwindling slice of the population to be sure, but it’s the where the cool people hang out). Momentum is the product of the mass and ve

by Jonathon Sullivan MD, PhD, SSC, PBC Most of the reasons you have for not training are actually your best reasons to START training. This post was subsequently produced as a video, which you can view below. Part of my job is to produce helpful content for Athletes of Aging. That’s an imposing term, but it’s really very simple: Athletes of Aging are people who have chosen to approach the second half of life as an extreme sport, as a contest against time and entropy. Athletes