Blog posts tagged with 'hallux limitus'

When a podiatrist speaks about the 1^st ray, the 1^st ray refers to the first metatarsal bone and the great toe.  The 1^st ray has a unique range of motion that requires plantarflexion of the first metatarsal to enable dorsiflexion of the great toe.  In essence, the first metatarsal needs to drop lower...

What are the criteria for long term success of orthopedic implants and why is the Cartiva® Implant designed for failure?

Compatibility between human tissue (bone, cartilage, ligament, tendon, and fascia) and orthopedic implants requires a number of criteria for success.  Rahyussalim, et al, in thei...

Levers, rockers and carbon graphite insoles

Part 3 – Putting it all together

In part 1 of this conversation I presented a common customer question:  can I wear just one carbon fiber insole?  I briefly discussed gait and how a carbon fiber insole may affect gait.  In part 2 of this conversation, I ...

What is a Morton's Extension?

Thomas George Morton (1835-1903) was a clinical professor and surgeon at The Pennsylvania Hospital.  He was an active surgeon during The Civil War and founding director of several hospitals in the Philadelphia area.  As a pioneer of surgical techniques, he is accredite...

What is Toe Spring?

Toe spring is the term used to describe a shoe or foot insert that enables rolling off the forefoot. Let me create the visual – think clog, men’s wingtip shoes or MBT Shoes. Each of these are examples of what is also called a forefoot rocker (aka toe spring.)

Toe Spring – is th...