Stephan J. LaPointe

Relative Strength of Tailor’s Bunion Osteotomies and Fixation Techniques

Todd B. Haddon, Stephan J. LaPointe

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Heat Generation in Bone Cutting-Implications for Thermal Necrosis

Debra Millon, Darren L. Hitt, Stephan J. LaPointe

Abstract A bunion is a common foot disorder caused by an abnormal outward projection of the joint and inward turning of the toe. Surgery to correct the malformation involves cutting the first metatarsal head, repositioning and setting it; the bone is then …

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The Reliability of Clinical and Caliper-Based Calcaneal Bisection Measurements

Stephan J. LaPointe, Charles Peebles, Aprajita Nakra, Howard J. Hillstrom

The measurements of subtalar joint neutral position and hindfoot range of motion have been shown to be unreliable. The first step in making these measurements is to determine the calcaneal bisection. This study examines the reliability of bisecting the calcaneus with digital …

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The effect of hallux abducto valgus surgery on the sesamoid apparatus position

Molly S. Judge, Stephan J. LaPointe, G V Yu, JE Shook et autres

A new parameter, the tibial sesamoid-second metatarsal distance, was established to determine whether the sesamoids move in relation to the foot in hallux abducto valgus surgery. The reliability of the tibial sesamoid-second metatarsal distance was assessed and shown to be excellent. Seventy-five …

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Changes in the flexibility characteristics of the ankle complex due to damage to the lateral collateral ligaments: An in vitro and in vivo study

Stephan J. LaPointe, Sorin Siegler, Howard J. Hillstrom, Robert R. Nobilini et autres

This study was part of a long-term effort to develop a reliable diagnostic procedure for ankle ligament injuries. Earlier efforts led to the development and validation of a six-degrees-of-freedom instrumented linkage capable of measuring the flexibility characteristics of the ankle complex in …

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A six-degrees-of-freedom instrumented linkage for measuring the flexibility characteristics of the ankle joint complex

Sorin Siegler, Stephan J. LaPointe, Robert Nobilinit, ARNOLD T. BERMAN

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The effects of damage to and surgical repair of the lateral ankle ligaments on the passive flexibility of the hindfoot

Stephan J. LaPointe

The purpose of this study was to investigate the effects of damage to the lateral collateral ligaments of the ankle and their subsequent surgical repair on the three dimensional passive flexibility characteristics of the hindfoot. For this purpose, tests were conducted on …

An instrumented linkage for the measurement of the rotatory stability of the human ankle complex

Stephan J. LaPointe, Sorin Siegler, ARNOLD T. BERMAN, Chaim Arlosoroff