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A Case For Bigger “Feet” Why Size Matters On Crutches!

November 22, 2019

Dynamo - Stepping Ahead With Confidence, Starting With The Foot

Feet - the foundation of our bodies. Our entire lives are dependent on the lower extremities and the plantar surfaces that carry the load of our anatomy. In the case of mobility aids, that responsibility is shared with the devices we choose.

Why are our feet so important with crutches?

The human walking cycle or “gait” revolves around a pattern. A smooth walking cycle requires that the ground forces are consistently absorbed by the feet with every step taken. Through this process, energy from the ground is transferred normally from the feet up, effecting every part of the body up the spine through the head. Foot function is crucial for healthy movement and foot anatomy plays an important role in foot function.

When a person is using mobility devices, the base contact with the ground is just as crucial as the typical foot to ground relationship. On average the standard crutch tip is only 1.57 inches in diameter. Studies indicate that a person weighing 110 pounds on that crutch is exerting twice the average contact pressure then the pressure between a car tire and the pavement. It’s no wonder why people complain that traditional crutches are painful, exhausting, and unable to last for longer distances.

Another unfortunate paradigm in the use of traditional crutches is the danger that comes with instability as well as injury occurring from devices that simply don’t work with the natural movement of the body. While a user is hobbling around on small rubber tips, the risk for slip and falls increases substantially. Standard crutches restrict the user to static motions that are incompatible with healthy human activity. A biomechanics study done on standard crutch tips highlights their noticeable weaknesses that result in users feeling less confident and safe while walking. Crutches themselves haven’t seen much thought or redesign since the Civil War era, so improving the tiny rubber base has been an afterthought as well.

Dynamo examined the flaws in the basic crutch tip design and formulated an innovative plan to address the need for a more energy efficient walking device. This started with the idea that mobility tips should ultimately work, and look more like human feet. The high traction low impact footprint technology integrates align and balance components to mimic the dynamic way that humans beings walk. Considering the physics of walking, it was important to reflect human like articulation in the design of the base. The tread base is up to twelve times greater than traditional base tips. By increasing surface area and friction, the user will experience more stability while walking as well as a more natural gait without loss of momentum. The duel spring design of the foot incorporates shock absorbing technology that lessens any wear and tear on the body. This heel to toe suspension system helps eliminate painful surface impact. You can travel farther on SportSwings while delaying feelings of fatigue or pain.

The deficiencies of today’s standard tips cause anxiety and danger to millions and for this reason, Dynamo SportSwings have answered the call - a better base to a better crutch. Check out SportSwings for yourself!

https://www.toyourhealth.com/mpacms/tyh/article.php?id=1351&pagenumber=2

https://www.rehab.research.va.gov/jour/70/7/2/kennaway.pdf

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