Flexibility is portrayed both in the media and in the fitness industry as a key factor in joint and muscle health. The current train of thought appears to be, "The more flexible you are, the less likely you are to injure yourself." The recent popularity of yoga in the United States bolsters this viewpoint. It is difficult to walk down the street without seeing someone toting a yoga mat. Yoga, if practiced correctly and within the constraints of one's ability, has the potential to be a useful tool in maintaining health. Many yoga poses have functional relevance. For example, the cobra position facilitates extension of the lower back, a position that is often lost from sitting on an office chair for eight hours daily. The tree pose addresses strength and balance within one's center of gravity. Many people derive positive mental and physical benefits from yoga who would have otherwise been sedentary. The focus of this article however deals with how to correctly atta...