This video, featuring Dr. Ray McClanahan, a sports podiatrist at Northwest Foot and Ankle the inventor of Correct Toes, discusses a question that we at Natural Footgear are frequently asked: “Are bunions hereditary?”
In a lot of cases, people with bunions assume they are predisposed to developing this foot problem because their older relatives developed bunions. But it's impossible to state that bunions are hereditary if all the members of one's family have worn shoes with tapering toe boxes. Shoes with this injurious design feature hold the big toe in a bunion configuration for prolonged periods and are the direct cause of bunions in most people. Some individuals may have differences in their soft tissues that make bunions more likely to occur when wearing conventional footwear, but very few (if any) people actually possess a genetic component that directly causes bunions.
Humans are not born with bunions. It's only after the adoption of shoes with tapering toe boxes that this deformity begins to manifest. Footwear, beyond the earliest years of life, is not designed for a normal human foot. In fact, the current system for determining proper shoe width (Brannock Device) fails most people because it assumes that the foot should be widest at the ball, not at the ends of the toes. Most footwear on the market today is not compatible with natural foot health and does not respect normal foot anatomy. In this video, Dr. Ray makes the point that cultures around the world have deformed their bodies for the purposes of beauty and/or the psychological need to fit in. In our society, we often wear foot-deforming footwear to fulfill a societal ideal, notes Dr. Ray.
Dr. Ray concludes that bunions are simple to address if you understand proper foot mechanics and the role of footwear in this condition. Surgery is rarely the best option for a bunion, and bunions are preventable if you understand the underlying cause.
An interesting study relating to this topic was published in the American Journal of Physical Anthropology in 2005. The study, conducted by S.A. Mays, examined the condition called hallux valgus—an abnormal deviation of the big toe toward the midline of the foot; something generally considered the precursor of a bunion—in two series of medieval skeletons: one series from the earlier Medieval period, one series from the later Medieval period. Here is the abstract from the study:
Hallux valgus is the abnormal lateral deviation of the great toe. The principal cause is biomechanical, specifically the habitual use of footwear which constricts the toes. In this study, descriptions of the anatomical changes of hallux valgus from published cadaveric and clinical studies were used to generate criteria for identifying the condition in ancient skeletal remains. The value of systematic scoring of hallux valgus in paleopathology is illustrated using two British skeletal series, one dating from the earlier and one from the later Medieval period. It was found that hallux valgus was restricted to later Medieval burials. This appears consistent with archaeological and historical evidence for a rise in popularity, during the late Medieval period (at least among the richer social classes), of narrow, pointed shoes which would have constricted the toes.
Using ancient skeletal remains, this study makes the point that before people started adopting toe constricting footwear, toe alignment—including alignment of the big toe—was better. It's a common sense conclusion that's relevant to the discussion at hand regarding bunions and heredity. You can read the full study here.
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Dr. Marty Hughes is a chiropractic physician, or DC. He received his doctoral degree from Western States Chiropractic College (WSCC), now known as the University of Western States (UWS). Dr. Marty has always been interested in foot health, due to the connection between the feet and the spine. He has worked as a freelance writer for LiveStrong.com, for whom he contributed over 2,200 health-and-fitness articles. He is a co-founder of Natural Footgear and an ardent supporter of natural foot care approaches. Dr. Marty enjoys road cycling, hiking, canoeing, and cross-country skiing as well as exploring the mountains of Western North Carolina.