Shin Splints. ITB Syndrome. Patellofemoral Syndrome. The dreaded Plantar Fasciitis…  With even the slightest of niggles, we often keep ourselves up at night assuming we are developing any, or maybe even ALL of these injuries. But what are they exactly? And, as importantly, what aren’t they? How are they really caused and how does our perception of pain influence our recovery and rehab?