 Categories: Diet, Exercise, Health Tip, Isometric Exercise, Lifestyle, Mobile, Motion, News, Review, Sport, Technology, Uncategorized A common misconception is that to increase your endurance, you should be doing all-cardio-all-the-time. But in reality, you don't need to run like you're training for a marathon to boost your stamina. Isometric holds build muscular endurance and give you your daily dose of cardio, no running required.