Ninja Training and OCR (obstacle course racing) may be one of the newest fitness trends, but is a real sport and is seizing the world’s attention at a startling rate. Gaining in popularity, many people believe that they’re not at the fitness/strength level needed to...

It is normal for those new to ninja warrior obstacles to tear the skin on their hands. That is why our first step is to explain why calluses are crucially important. Not having calluses or having calluses which are too thick, can lead to the same problem – tears. Hand...