Photo collage showing a wheelchair user turning an adapted electric scooter.

Let’s start with some definitions. Declarative knowledge is cognitive understanding of a subject. You consciously know how something...

I like to write about the dynamics of mobility devices as I understand them. As a full-time wheelchair user, I have a large number of...

Photo Credit: Mike Hitelman Photo Description: Author using a monoski on ski slope. There is general agreement among monoskiers that...

In the world of monoskiing, there are few events more dreaded than the High-Side fall. This fall, also described as a “mouse trap”, slams...

Photo Description: Three wheelchair scooterboards in a garage. Given the availability of specifically designed electric powered front...

The Adaptive Performance Map is my modified version of the Satir Model created by Virginia Satir. The chart describes different stages...

A graph showing the Adaptive Performance Map.

The question of what are the best gloves to wear in the winter for a wheelchair user is quite common. Typically, people suggest many...

One consistent problem encountered by wheelchair users stems from the front casters. When these wheels are small, they tend to get...

The pyramid on the left shows how Institutional AT is the well funded pinnacle of assistive technology, yet makes up a small portion overall

A man in a power wheelchair works on a large piece of machining equipment in a workshop.

A two level pyramid with the smaller top section labeled Institutional AT and the larger bottom section labeled Do It You

Wheelchair scooterboarding is the concept of using an electric scooter like device to power a manual wheelchair. There are two main...

In my opinion, there are two basic monoskiing methodologies. In this article, I am calling them Static Monoskiing and and Dynamic...

While there are a number of variations, there are two primary ways that a monoskier will typically fall during the course of groomed...

Skis are designed to carve a turn by being put on their edge. The skier uses angulation to balance the ski on its edge by controlling his...

The Mini WCSB is an adapted WheelChair ScooterBoard that is small and light-weight (20 lbs) for portability. It has a powered front wheel...

The concept of Universal Design has been around for decades. The basic idea is to make the environment and things in the environment...

Wheelchairs are like other personal mobility devices (PMDs) such that designers, manufacturers, and innovators are constantly attempting...