Part I, Part II Inherent Conflicts between Static Stability and Dynamic Stability A manual wheelchair is complex device that can be setup in many configurati...

Read PART I The World is Not Smooth and Flat Historically, wheelchairs have been designed primarily for rolling on flat and smooth surfaces. On such a surfac...

Photo Credit: Mark Hunt

The Problem Bike-share bicycles and scooters blocking sidewalks or haphazardly strewn about are a systemic problem in need of a systemic solution. The compan...

Proper use of a Leveraged Lift via the Body Lever is the key to a successful Floor-to-Wheelchair transfer (FWT). Yet, few people understand it’s dynamics. As...

Bad Design Has Consequences Bad Design is like bad art in that there is always someone who loves it. But for the Disability Community, Bad Design is not like...

I recently saw a GroPro video of a monoskier, Trevor Kennison, skiing off Corbet’s Couloir in Jackson Hole Wyoming. After getting over my astonishment that h...

The following post explains the modifications I made to the Cycleboard Sport in order to ride it using my wheelchair. I am sure there are other methods that w...

I surveyed about fifty manual wheelchair users and discovered that about ninety percent of them weighed themselves a few times a year or less. Most people on...

“Be thankful for what you have, it could always be worse”. This is a fairly common message used to remind people about how “lucky” they should feel, after al...

Let’s face it. It’s not working. Mobility devices for wheelchair users have seen only incremental improvements in their design and functionality over the yea...

The WWoL is a modification of the Wheel of Life[1]. It takes into consideration the influence of society (external factors) and the person’s attitude (intern...

When it comes to enhancing mobility performance for wheelchair users and others with mobility impairments, it is useful to think in terms of the Personal Mob...

The WTCS is a classification system for rating terrain. It provides wheelchair users, designers, and product manufacturers a means to easily describe and com...

You did “awesome!” This phrase is thrown quite a bit when describing how a person with spinal cord injury performed some type of athletic endeavor. But, how ...

Over the years, we have seen dramatic improvement in the development of artificial limbs for amputees. Prostheses have progressed from wooden stumps to high ...

When it comes to personal mobility devices for Wheelchair-Users, there are a few important principals to consider. In general, the more of the following P-Pr...

A comparison of mobility types, and what wheelchair users really want. When it comes to personal mobility, there are different ways to approach it. Passenger...

As a Wheelchair-User for over thirty years, I see a widespread problem. The problem is that Wheelchair-Users are mostly locked out of engaging in what I call...

An introduction to Erik Kondo, his impossible dream, and how it has shaped his purpose, in designing, creating, and building incredible mobility alternatives...