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HSS Research Institute

Understanding the Effects of the “Ankle Sprain Reducing Shoe” on Ankle Joint Kinetics, Kinematics, Electromyography, and Neuromuscular Balance Control: A Pilot Study

IRB Number: 10015
(inactive trial)

Institutional Review Board, Hospital for Special Surgery

February 05, 2010

The safety of study participants is our top priority. The trial is approved and periodically reviewed by an Institutional Review Board (IRB), which includes doctors, administrators, ethicists, and members of the general public. The safety of clinical trials is reviewed by the U.S. Food and Drug Administration.

Before enrolling in a clinical trial, the investigator will explain the purpose of the trial, its expected benefits, any possible risks or side effects, and what your role will be. This is the time to ask questions! If you want to join the trial, you must sign the informed consent documents. You can leave a clinical trial at any time without penalty.

For further information, see Understanding Clinical Trials.

Principal Investigator

Allison M. Brown, PT, MA


Rebecca A. Zifchock, PhD
Sherry I. Backus, PT
Theresa Chiaia, PT
Howard J. Hillstrom, MD
Yatin Kirane, MD Orth, PhD
Robert Maschi, MD
John Cavanaugh, PT
Jocelyn Frey


The purpose of this study is to understand the effects of footwear on preventing ankle sprains.  Specifically, this work will examine the effect of footwear on joint motions and loading.  It will also examine how different types of footwear affect ankle muscle control and one’s ability to balance.  Five subjects will be enrolled to participate in one laboratory visit that is expected to last 60 – 90 minutes.

Inclusion/Exclusion Criteria

Inclusion Criteria:

Age 18 – 40 years
Familiar with jumping and cutting tasks (participates in sports such as soccer, basketball, tennis, football, volleyball, or lacrosse at least once per month)
No musculoskeletal injuries in the previous year
Typical ankle dorsiflexion/plantarflexion range-of-motion
Free of neuromuscular conditions that would affect movement patterns

Exclusion Criteria:

Does not meet inclusion criteria

Contact Information

Allison Brown, MA, PT
Becky Zifchock, PhD

Motion Analysis Laboratory
Hospital for Special Surgery
510 E 70th St
New York, NY  10021