Sarah Walls October 1, 2018 Awesome, Conditioning, Fat Loss, Low Budget Training, Upper Body Upper Body Blowout: Push-up Negatives Sarah Walls October 1, 2018 Awesome, Conditioning, Fat Loss, Low Budget Training, Upper Body BlowOUT and BlowUP your upper body at the end of your next training session with this push-up variation that improves work capacity, conditioning, and strength.