Cover Story

The mechanistic mysteries of foam rolling

As the popularity of foam rollers escalates, researchers are scrambling to document the therapy’s effects and tease out the possible underlying mechanisms, which now appear to be more complicated than the earliest investigators had hypothesized.

By Cary Groner

Editor Message

Out on a limb: Smoke signals

My grandmother smoked for decades, and although she did eventually succeed in quitting, she still spent the last few years of her life linked to an oxygen tank. And as a medical journalist, I’m very familiar with the long list of health-related disadvantages of smoking…

Jordana Bieze Foster, Editor


Foot10-15cCVR-smA survey isn’t the most rigorous of scientific methodologies, but survey-based studies can provide the kind of real-world perspective that’s missing from research done in a controlled laboratory environment. And, when biomechanists are as divided on a topic as they are on minimalist running shoes, a fresh perspective can be a very good thing.

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By Jordana Bieze Foster


From amputee to clinical prosthetist: four journeys

A number of amputees, many inspired by the expert care they received after losing a limb, have been motivated to pursue careers in prosthetics, where they can provide patients with a unique and personal perspective. Four of these practitioners shared their stories with.

By P.K. Daniel

Including injury history adds to value of FMS

Multiple studies indicate that poor movement, as assessed using the Functional Movement Screen, and past history of injury are risk factors for future injury, and a recent investigation suggests that risk is…

By MAJ Michael Garrison, PT, DSc, OCS, SCS; and MAJ Richard Westrick, PT, DSc, OCS, SCS

Running in an exerted state: mechanical effects

Kinematic and kinetic alterations in the lower extremities that researchers have observed during the course of a prolonged run may provide clinically relevant insights into patellofemoral pain and other conditions associated with a gradual onset of symptoms during exercise.

By Lauren Benson, MS; and Kristian O’Connor, PhD

Post-polio syndrome: It takes a team approach

Along with technical issues related to muscle weakness, fatigue, and pain, the challenges of managing this hetero­gen­eous population include patients’ emotional response to the idea of needing an orthotic device for a disability they thought they had overcome.

By Larry Hand

Hamstring injuries: The clinical promise of PRP

Preliminary research suggests platelet-rich plasma (PRP) is a safe and effective means of treating hamstring injuries that do not respond to early conservative measures…

By Frank B. Wydra, MD; Ryan R. Fader, MD; Omer Mei-Dan, MD; and Eric C. McCarty, MD