Blog

Is the Tinel’s sign a reliable diagnostic test?

Tarsal tunnel syndrome describes an entrapment of the posterior tibial nerve at the medial aspect of the ankle.  The posterior tibial nerve descends the leg and splits into three branches.

• First branch – supplies sensation to the plantar heel.  Als...

Patient choice – are there weight limits when using ex-fix?

External fixation (ex-fix) is often used as an adjunct to internal fixation when correcting rocker bottom flat foot due to Charcot arthropathy.  The reason that ex-fix is used is that the frame, or ex-fix device, can be used to carry weigh...

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 ...

How do carbon fiber insoles affect gait?

Part 2 - rocker mechanics of the lower extremity

Rockers are a very important part of lower extremity biomechanics.  Rockers describe pivot points in the gait cycle that decrease the range of motion of the ankle and knee.  Rockers are also employed by the b...