In the fall of 2009 studies showed that wearing the cPRIME bracelet could improve strength range from 20% to 60%, the wide range in improved performance will vary because everybody is different. Improved flexibility was measured at a 15% increase. Balance test were done with eyes open and closed, participants showed 18% improvement with eyes open and an incredible 55% average improvement with eyes closed. When you combine these attributes, you gain endurance through strength, flexibility, balance and overall performance.