September 2010

Cover Story


Pressure Treatment: Dynamic data guide orthotic therapy
Dynamic pressure measurement systems aren’t just for research any more. The technology optimizes outcomes by enabling practitioners to prescribe orthoses that address particular gait abnormalities and to quantify the biomechanical effects. by Cary Groner

Editor Message


Out on a Limb: Flip-flop Flak
Angelina Jolie and I have so much in common – beauty, fame, fortune. But when it comes to flip-flops, that’s where the similarities end. By Jordana Bieze Foster

Departments


Active Stance: Sensory substitution enhances O&P rehab
Rehabilitation science and medicine professionals are realizing that extracorporeal orthotics and prosthetics are sensory as well as functional substitution devices, and that these substitutions are equally important and mutually beneficial. Researchers have identified a high correlation co-efficient between normal body ...
Offloading strategies for knee osteoarthritis
Altering joint alignment is associated with decreased pain and improved function. Researchers are working to explain the mechanisms underlying these effects, particularly with respect to bracing. By Yatin Kirane, D.Orth, PhD; Rebecca Zifchock, PhD; and Howard Hillstrom, PhD
Diabetes experts focus on foot ulcer recurrence
When it comes to diabetic foot ulcers, primary healing is only half the battle. Staggeringly high recurrence rates underscore the need for lower extremity practitioners to continue preventive measures long after the coast appears to be clear. By Cary Groner
Flip-flops: Fashionable but functionally flawed
Flip-flops might seem to fall under the umbrella of minimalist footwear. But research suggests that walking in flip-flops is far from normal, and that only more structured models can approximate the elusive barefoot-like gait. By Justin F. Shroyer, PhD, CSCS, NSCA-CPT, ...
Arterial disease: Lower extremity implications
It’s not uncommon to encounter undiagnosed PAD in patients who have come in for a seemingly unrelated complaint. Understanding the risk factors, diagnostic techniques and treatment options is key. By Steven Miller, DPM

News


In the Moment: Footwear

Heels heighten OA risk
Flatter styles lessen stress on knee By Jordana Bieze Foster The Rhode Island Convention Center was not the place to be wearing high heels during the third week of August, when two studies presented at the annual meeting of the American Society ...
Lateral loading during cutting affects perceptions of turf shoe performance
A football player’s perception of a shoe may be related to the amount of lateral loading associated with that shoe during cutting, according to research from Cincinnati Children’s Hospital. Investigators analyzed cutting movements in 17 male teenaged football ...
Even motion control footwear allows midfoot movement while running
Practitioners who recommend so-called motion control running shoes may want to think of “control” as a relative term, in light of research demonstrating significant sagittal plane movement of the foot within motion control shoes. Investigators from Northern Arizona ...

In the Moment: Sports Medicine

Impacts spell injury
Barefoot running seems a solution By Jordana Bieze Foster Despite what you may have heard, researchers are a long way from proving that barefoot runners are less prone to injury than those who run in shoes. But data presented at two conferences ...
Sport-specific neuromuscular training program improves tennis performance
A tennis-specific version of the neuromuscular training program developed in Cincinnati could significantly improve performance on the court, according to research published in the September issue of the Journal of Strength and Conditioning Research. The Sportsmetrics training program ...
Study finds hormones, fatigue affect ankle ligament laxity in female athletes
Much of the literature on hormones and ligament laxity has focused on the knee, but a study from James Madison University suggests that an interaction between hormone levels and fatigue may also affect laxity at the ankle. Researchers ...

In the Moment: O&P

Training targets trips
Fall simulations help AK amputees By Jordana Bieze Foster Thanks to an improved ability to simulate falls in the laboratory, researchers are identifying variables that contribute to falls in above-knee amputees and implementing training programs to improve response to tripping. Studies from two ...
Diabetic boot bests TCC for offloading forefoot area but not for ulcer healing
A cast-boot ankle foot orthosis decreases plantar pressures under the forefoot more effectively than a total contact cast, but its relative effectiveness for ulcer healing is still a function of compliance, according to research from Washington University ...
Effects of prosthetic gel liner thickness on pressure lack statistical significance
The choice of a thick or thin gel liner in transtibial amputees may ultimately come down to personal preference, according to research from Northwestern University in Chicago. Investigators compared two prosthetic gel liners, one 3 mm thick and ...

In the Moment: Stroke

Intriguing AFO effects
Gait speed linked to braking force By Jordana Bieze Foster Rigid ankle foot orthoses increase gait speed in hemiplegic stroke patients, but not for the reasons one might think, according to research from the Kessler Foundation Research Center in New Jersey. In a ...
Robot-assisted ankle rehabilitation boosts functional mobility scores
Robot-assisted ankle rehabilitation significantly improves functional mobility in stroke patients, according to research from Northwestern University in Chicago. Researchers customized a continuous passive motion machine to create a portable rehabilitation robot that is used for both passive stretching ...
Gait study finds FES of plantar flexors fails to improve mechanical recovery
Functional electrical stimulation of the plantar flexor muscles in addition to the dorsiflexors surprisingly had no effect on mechanical recovery during post-stroke gait in a study performed at the University of Delaware. Researchers analyzed the effects of dorsiflexion ...

Market Mechanics


Breg brace boosts fatigue response
The effect of fatigue on ankle muscle activity during landing from a jump is more pronounced while wearing a Breg Ultra FullCourt ankle brace than when unbraced, according to research from Iowa State University. The brace, made by Vista, ...
Masterfit offers new shoe courses
Masterfit University, the snowsports industry’s official fit education centers, has expanded its course offerings. Masterfit U’s Masters, Masters-Backcountry Connection and Masters Plus courses individually qualify for continuing education credits from both the American Board for Certification in Orthotics Prosthetics ...
Diabetes drugs linked to fracture risk
Popular diabetes drugs, including Avandia and Actos, may increase the risk of fracture, according to research from the University of Michigan. From a large prospective database of patients with diabetes, investigators compared 786 patients with fractures and 2657 ...
Ijinji wins APMA seals of acceptance
San Diego-based Injinji announced in August its receipt of the American Podiatric Medical Association (APMA) Seal of Acceptance for its Ex-Celerator Compression Toesock and InjinjiRX Therapeutic Toesock products. This extends Injinji’s APMA-accepted socks to three. The company’s Performance Series ...
ASO device affects knee during cuts
ASO Ankle Stabilizers from Charlotte, NC-based Medical Specialties reduce knee flexion and peak knee abduction moment during cutting maneuvers, which could reduce the risk of anterior cruciate ligament injury, according to research from Texas Tech University in ...
Cluffy Wedge helps alter pressures
Use of the Cluffy Wedge in combination with a medial arch support significantly alters dynamic plantar pressures in subjects with asymptomatic functional hallux limitus, according to research from the Temple School of Podiatric Medicine in Philadelphia. The device, from Great Falls, ...

Products


AFX Ankle Foot Maximizer
Progressive Health Innovations offers the AFX Ankle Foot Maximizer, a foot-and-ankle strengthening system, featuring patent pending technologies. A variety of resistance bands allow for balanced strengthening through a complete range of motion, from early stage rehabilitation to high-performance athletic training.  ...
Footsprings for Heel Pain
FootGuru offers a full line of products engineered to relieve heel and arch pain, plantar fasciitis, heel spurs, and sore, tired feet. Modeled after the Low Dye strapping technique, Footsprings can be used with or without orthotics and can replace ...
littleSteps Orthotics for Kids
Nolaro24 introduces littleSteps, pre-fabricated foot orthoses specifically designed for kids. They deliver prescription based correction closely matching the criteria of traditional UCBL devices. littleSteps provide an affordable alternative to custom orthoses, with same-day dispensing facilitating early intervention. littleSteps orthoses are ...
OrthoLite Fusion Insoles
OrthoLite, a leading supplier of open cell foam insoles in the performance and comfort category, has announces the availability of Fusion style insoles on OrthoLite.com and in partnership with Amazon.com.  Designed to fit all athletic and outdoor shoes or boots, ...
Rebound Air Walker
The Rebound Air Walker by Ossur is the latest short leg walker in the market. It has been designed with comfort, fit and function in mind.  It features a full circumferential shell and toe bumper to protect patients from re-injury. ...
Sano Body Shaping Shoes
Mephisto has introduced Sano brand footwear, designed to promote a better physique and improved body shape. An integrated power stimulator provides shock-absorption with a built-in stimulator that propels the foot forward. According to the company, the heels, spine, and joints ...
Pediped Memory Foam Technology
Pediped introduces Memory Foam Technology (MFT ) in their signature ballet flats and sandals for boys and girls. The responsive and high-density MFT insoles mold to a child’s foot and spring back when pressed, to absorb shock and minimize impact. The MFT ...
Zoom Ankle Brace
Developed by Ultra Athlete over three years, the Zoom Ankle performance prevention ankle brace is designed to be comfortable to wear in all seasons, provide superior support performance stability, and be applied in seconds.  The design utilizes multi-patented Performathane soft ...