http://willpowermethod.com/wp-content/uploads/2012/08/willPower_HOW_TO_PLANK.pdf https://www.jillianmichaels.com/blog/health-and-fitness/why-do-ab-exercises-hurt-my-neck https://femfusionfitness.com/fem-challenge-bonus-points-1-minute-plank-every-day/ http://www.jptrs.org/journ...
Third, you self-sabotage yourself every step of the way. Don't feel bad, we all do it. I can't go drive to that place because I can't find my phone. I can't lift weights at the gym because I brought the wrong color shorts. I'm going to cut my run short because the battery...