Séamus Kennedy, BEng (Mech), CPed, Author at The O&P EDGE Magazine

Toe walking, although not considered part of the normal development of gait, is seen as a common variant that many...

Understanding Hallux Valgus

August 1, 2018

Hallux valgus (HV) is a progressive deformity of the foot, recognized by the medial projection of the first metatarsal...

Morton’s Extensions

by Séamus Kennedy, BEng (Mech), CPed

May 1, 2018

Few words on foot orthotic prescriptions cause as much confusion as the term Morton's. Morton's is simultaneously two different...

Conducting a Biomechanical Evaluation, Part II

by Séamus Kennedy, BEng (Mech), CPed

February 1, 2018

In Part I of this series, we considered the biomechanical evaluation of the foot and ankle with a seated patient,...

Pes Cavus: Treating the High Arched Foot

by Séamus Kennedy, BEng (Mech), CPed

November 1, 2013

"Think of the magic of that foot, comparatively small, upon which your whole weight rests. It's a miracle, and the...

Treating Heel Pain Conservatively

by Séamus Kennedy, BEng (Mech), CPed

February 28, 2012

Heel pain is one of the more common diagnoses of the foot and ankle, and in its advanced stages it...

Exploring a New Paradigm in Biomechanics

by Séamus Kennedy, BEng (Mech), CPed

October 31, 2011

Do current theories of biomechanics adequately describe the functioning foot and lower limb? Séamus Kennedy, BEng (Mech), CPed 5 O&P...

The Effectiveness of Foot Orthotics

by Séamus Kennedy, BEng (Mech), CPed

June 28, 2011

This past January, The New York Times published an article in the Tuesday Science Times section titled "Close Look at...

Planes, Chains, and Foot Orthotic Biomechanics Part III

by Séamus Kennedy, BEng (Mech), CPed

February 27, 2011

The most widely taught and accepted theory of foot biomechanics was developed by Merton Root, DPM, and his colleagues during...

Choosing Shoes for Children

by Séamus Kennedy, BEng (Mech), CPed

May 25, 2010

When it comes to children's footwear, we may have to re-examine the notion of what we consider to be "good...

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