Final answer:
An externally powered wheelchair is motorized for individuals with limited strength, a sports wheelchair is optimized for athletic use with stability and maneuverability, and lightweight/ultralight wheelchairs are made for easy transport and mobility.
Step-by-step explanation:
The differences between an externally powered wheelchair, a sports wheelchair, and a lightweight/ultralight wheelchair lie in their design and intended use. An externally powered wheelchair, often referred to as a power wheelchair or electric wheelchair, is equipped with a motor and rechargeable batteries, allowing it to be operated with minimal physical effort. This type of wheelchair is beneficial for individuals with limited upper body strength or dexterity.
A sports wheelchair is designed for athleticism and speed, commonly used by individuals engaging in adaptive sports. These wheelchairs are highly maneuverable, with features like angled wheels for stability and frames tailored to specific sports.
Lightweight and ultralight wheelchairs are easier to carry and transport than traditional manual wheelchairs. They offer easier mobility and are made from materials like aluminum or titanium to reduce their weight while still providing adequate support and durability.