Biomechanics

Human movement science

Recreational running benefits hip, knee health

Recreational runners are less likely to experience knee and hip osteoarthritis compared to sedentary individuals and competitive runners, according to a new study published in the June issue of the Journal of Orthopaedic & Sports … READ MORE

Major research explores how our bones and muscles age, new ways to block decline

With age, the form and function of our bones and muscles drop off, putting us at increased risk of frailty and falls. Researchers at the Medical College of Georgia at Augusta University are discovering just what happens to the stem … READ MORE

Smart shoe insoles and phone app provide gait info on every step

A proper running technique focusing on every step can help an athlete increase efficiency while preventing injury. Specifically, how the foot strikes the ground can affect performance, comfort, and even pain following an exercise … READ MORE

Fiber-rich diet linked to lowered risk of painful knee osteoarthritis

Findings from two long-term studies in line with other associated health benefits of fibre. A fibre-rich diet is linked to a lowered risk of painful knee osteoarthritis, finds the first study of its kind, published online. Those who … READ MORE

OA strongly affects difficulty in walking

Influence of arthritis greater than heart disease or diabetes. One in four older adults reported having difficulty walking, with osteoarthritis (OA) of the knee or hip having a larger influence on this than comorbidities such as … READ MORE

Shoe-string theory: Why shoelaces come untied

High-speed video footage courtesy Prof. Oliver M. O’Reilly, UC Berkeley Dept of Mechanical Engineering. YouTube Apr 11, 2017 By Brett Israel, UC Berkeley April 11, 2017 A new study by mechanical engineers at UC Berkeley finally … READ MORE

Steroid injections increased cartilage loss in knee arthritis

Quarterly corticosteroid injections for knee osteoarthritis increased cartilage loss over the course of 2 years without providing any clinical benefit, according to a randomized controlled trial published in the May 16 issue of JAMA. … READ MORE

Knee extensor strength linked to improved physical function in patients with OA

Patients with osteoarthritis and severe physical dysfunction showed an association between increased knee extensor strength and improved self-reported physical function, according to results presented at the Osteoarthritis Research … READ MORE

Spokane mom has knee replacement at 40, joins fastest growing demographic

Carrie Day was a busy mom with a young daughter, but advanced arthritis in her knees made her feel like an old woman. Carrie Day and her daughter, Chloe, 3, stroll through the Brown Mountain Regional Stormwater Facility. Carrie, age … READ MORE

Will an orthosis help you walk better with MS?

Difficulty walking due to muscle weakness, muscle spasms, and balance issues is common among people who have multiple sclerosis (MS). You can move naturally with the WalkOn during the day. When you crouch down or walk up a set of … READ MORE

What it means when kids walk on their toes

When toddlers are learning to walk, many spend some time walking up on their tip toes, which is known as toe walking. Commonly this is to get into things they aren’t meant to, but as they perfect their walking, they walk more with … READ MORE

Patellofemoral pain symptoms improved after gait modification

Running gait modifications designed to reduce patellofemoral loading also have immediate symptomatic benefits in patients with patellofemoral pain, according to research from Laval University in Quebec City, Canada. College of Liberal … READ MORE

Young athletes with previous knee injury had higher risk of OA

Young athletes who previously sustained an intra-articular knee injury had a higher risk of structural changes associated with future osteoarthritis, according to results presented at the Osteoarthritis Research Society International … READ MORE

Exercise protocol improves physical function in patients with hip, knee OA

Implementation of an exercise protocol was linked with improved physical function in patients with knee and hip osteoarthritis, according to results presented here. GLA:D Canada. Glen Sather Sports Medicine Clinic, University of … READ MORE

Less pain, greater self-efficacy, and better walking capacity in women with knee OA

Women with knee osteoarthritis who experienced less pain and greater self-efficacy for functional tasks had better maximal walking capacity and stair ascent time, but not stair descent time at 2 years, according to results presented … READ MORE

Exercise linked with reduced pain in patients with knee OA

Patients with knee osteoarthritis who underwent an exercise program for 12 weeks experienced a reduction in pain, as well as muscle perfusion changes, according to results presented at the Osteoarthritis Research Society International … READ MORE

Read this before you get your knee replaced

More than sixty thousand Canadians per year, and climbing, get knee replacement surgery. A U.S study published last week in the British Medical Journal finds that a good number of patients south of the border may be getting new knees … READ MORE

3D printable implants may ease damaged knees

Printable hydrogel matches the strength and elasticity of human cartilage. A cartilage-mimicking material created by researchers at Duke University may one day allow surgeons to 3D print replacement knee parts that are custom-shaped … READ MORE

Orthotic brace helps New England farmer live without pain

For roughly the last dozen years of Phil Stevens’ life, pain has been a daily companion. Stevens, a third-generation dairy farmer on a 1,000-acre spread in Barre, Massachusetts, fell off the metal roof he was building in April 2003. … READ MORE

Home neighborhood walkability motivates older people to physical activity

Walk-friendly environmental design may provide opportunities for physical activity in old age, according to a recent study conducted at the Gerontology Research Center of the University of Jyväskylä. However, it is important that … READ MORE

Knee surgery may have minimal quality of life effects in those with less severe symptoms

According to a recently published study, knee replacement surgery had a minimal effect on quality of life for patients with osteoarthritis and was not cost-effective. Forest walk. Roger Bates photo, flickr Marni Goldstein, The Mount … READ MORE

Don’t let OA scare you from staying active!

Osteoarthritis (OA) or degenerative arthritis is a common condition familiar to many. In fact one out of three of us have a chance of developing OA. It is defined as the breakdown of articular cartilage which further affects the … READ MORE

A runner’s guide to the perfect shoe

In 2010, the running-shoe world was in turmoil. The rapid rise of barefoot and minimalist running had sparked a critical re-evaluation of all the fancy technology packed into the most popular shoes – rollbars, heel lifts, cushioning … READ MORE

Orthotic management techniques for children with CP

Consider range of motion and alignment when helping children with cerebral palsy push functional limits. A wise child once taught me, Never Say Never. AFOwear by Anthony Calabro, Healio O&P News July 2011 American Academy of … READ MORE

Aquatic exercise for knee OA: beyond treating pain alone

The prescription of therapeutic aquatic exercise to people with knee OA should focus on trying to improve the patient’s own individual symptoms and functional impairments which both affect patients’ quality of life, as well as … READ MORE

Positive results for pediatric patient with idiopathic toe walking

A multidisciplinary approach offered benefits for a pediatric patient who had idiopathic toe walking with severe contractures, according to Nicole M. Harris, PT, PCS, BOCO, of The Children’s Hospital Colorado in Aurora, Colo. Harris … READ MORE

Carbon fiber AFO-SMO orthoses improved gait in patient with cerebral palsy

The use of a carbon fiber ankle-foot orthosis with supramalleolar orthosis inner boots improved the gait of a 13-year-old patient with spastic diplegic cerebral palsy, according to data presented at the Association of Children’s … READ MORE

Treating pediatric toe walking – is it idiopathic?

Pediatric toe walking is not necessarily idiopathic and can be the result of an underlying deficit, Megan Smith, CO, director of clinical research at Surestep, said at the Association of Children’s Prosthetic-Orthotic Clinics Annual … READ MORE

Walking barefoot on gravel improves gait for children with idiopathic toe walking

Walking barefoot on a gravel surface significantly improved gait in children with idiopathic toe walking, according to research presented here at the American Orthotic & Prosthetic Association National Assembly. Researcher Mark … READ MORE

Hinged vs solid AFOs for cerebral palsy: No significant difference in gait

There are no significant differences in gait or gross mobility between hinged and solid ankle-foot orthoses for patients with cerebral palsy who could walk without an assistive device, according to a study presented at the Association … READ MORE

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