A mobility device is any piece of equipment that helps a person move around when a disability, injury, or health condition limits their ability to walk or maintain balance. The category is broad, ranging from a simple cane to a battery-powered wheelchair to a wearable robotic exoskeleton. Under U.S. law, businesses and public spaces must allow people using these devices into any area open to the general public.
Types of Walking Aids
Walking aids are the most common mobility devices, and choosing the right one depends on how much support you need. A standard single-point cane adds one extra contact point with the ground, widening your base of support. It works well for mild balance or coordination problems, including issues related to inner-ear conditions, vision changes, or general unsteadiness.
If you need the cane to bear weight rather than just improve balance, an offset cane is a better choice. Its handle design directs your weight straight down through the shaft instead of at an angle. For even greater weight-bearing support, a quad cane has four small feet at the base and can stand upright on its own, making it useful for people recovering from a stroke or dealing with significant weakness on one side of the body.
When both hands need support to steady your walking, a walker or rollator is the next step up. Standard walkers (the kind you lift and place forward with each step) offer the most stability but are heavier and bulkier. They can be difficult to maneuver in small apartments or homes with stairs. Rollators, which have wheels and hand brakes, let you move more fluidly but sacrifice a bit of that rock-solid stability.
Crutches fill a different role. Underarm crutches are familiar to anyone who has broken a leg, but platform crutches exist for people who can’t grip a handle firmly due to conditions like arthritis or cerebral palsy. With platform crutches, your forearm rests on a flat surface while your hand loosely holds a grip.
Wheelchairs and Scooters
Wheelchairs are designed for people who cannot walk or who should not put weight on their lower limbs. The choice between a manual and a power wheelchair is one of the biggest decisions in mobility equipment. A manual wheelchair is propelled either by the user pushing the hand rims or by someone pushing from behind. It’s lighter, easier to transport, and doesn’t require charging. A power wheelchair runs on rechargeable batteries and is controlled with a joystick, eliminating the need for upper-body exertion entirely.
Mobility scooters occupy a middle ground. They’re battery-powered like power wheelchairs but are built more for people who can walk short distances yet lack the stamina or upper-body strength for a manual wheelchair. Scooters typically have a tiller (like handlebars) rather than a joystick, and many models disassemble for car transport.
The ADA defines a wheelchair as “a manually-operated or power-driven device designed primarily for use by an individual with a mobility disability for the main purpose of indoor or of both indoor and outdoor locomotion.” That legal definition matters because it determines where you’re guaranteed access.
Other Power-Driven Mobility Devices
Not every powered mobility device is a wheelchair. The ADA created a separate category called “Other Power-Driven Mobility Devices” (OPDMDs) to cover things like Segways, golf cars, and other battery or fuel-powered devices that people with disabilities use to get around. These are defined as any powered mobility device that isn’t a wheelchair but is used by someone with a mobility disability for locomotion.
The practical difference: businesses must always permit wheelchairs, but they can set reasonable restrictions on OPDMDs based on factors like the type of venue, crowd density, and safety concerns. A crowded indoor museum might allow a power wheelchair but restrict a golf cart, for example.
Robotic Exoskeletons
At the high-tech end of the spectrum, robotic exoskeletons are wearable suits that power hip and knee movement, allowing people with spinal cord injuries to stand and walk. The ReWalk exoskeleton received FDA approval in 2014 for home and community use with a companion present. It’s worn over clothing and uses motors at the joints to replicate the motion of walking. These devices remain expensive and require training to use safely, but they represent a fundamentally different approach: instead of replacing walking with wheeled movement, they restore it mechanically.
Conditions That Lead to Mobility Device Use
The list of conditions that benefit from mobility devices is long and varied. It includes arthritis, cerebral palsy, fractures or breaks in the lower limbs, gout, heart or lung conditions like COPD, spinal cord injuries, stroke-related walking impairment, spina bifida, obesity, diabetic wounds, and developmental disabilities. Even temporary injuries like severe sprains can make a cane or crutches necessary for weeks or months.
Visual impairment is also part of this category. White canes are specifically designed for people who are blind or have low vision, and trained guide dogs serve a similar navigational function. These aren’t always grouped with wheelchairs and walkers in everyday conversation, but they fall under the same umbrella of mobility assistance.
How the Right Device Gets Chosen
Getting matched with the correct mobility device typically involves an evaluation by a physical or occupational therapist. For something simple like a cane, the process can be quick: testing your balance, assessing your grip strength, and measuring the correct height. For a wheelchair, the evaluation is far more involved. Therapists assess motor and sensory function, muscle strength, range of motion, posture, trunk control, cognition, and communication skills. They also consider your living situation, since a large, stable wheelchair that works well in a spacious home could be nearly impossible to use in a small apartment with narrow doorways.
The goal isn’t just to pick a device category but to configure it precisely. Wheelchair users, for example, need the seat width, depth, backrest angle, and footrest position customized to avoid pressure sores, poor posture, and long-term joint problems.
Insurance Coverage for Mobility Equipment
Medicare Part B covers mobility devices classified as durable medical equipment when a doctor prescribes them for home use and certifies they are medically necessary. For power wheelchairs and scooters specifically, your doctor must document that your medical condition requires one. Once approved, Medicare typically pays 80% of the approved amount after you meet your annual Part B deductible, leaving you responsible for the remaining 20%. Private insurance plans vary, but most follow a similar framework of requiring a prescription and medical justification.
The term “medically necessary” has a specific meaning in this context: the equipment must be needed to diagnose or treat an illness, injury, or condition, and it must meet accepted standards of medicine. A preference for convenience alone won’t qualify.
Traveling With a Mobility Device
Air travel with mobility devices involves battery regulations. Most wheelchairs and scooters use either lead-acid or lithium-ion batteries. Lithium-ion batteries installed in your wheelchair generally travel with the device, but spare lithium-ion batteries must go in carry-on baggage, never in checked luggage. Spare lithium-ion batteries are capped at 100 watt-hours per battery without special approval. With airline approval, you can bring up to two larger spares rated between 101 and 160 watt-hours. Battery terminals need to be protected from contact with other metal to prevent short circuits.
Airlines are required to accommodate wheelchairs, but the process differs by carrier. Letting the airline know in advance what type of device you use and what kind of battery it has will smooth things considerably at the gate.
Accessibility Standards in Public Spaces
Public buildings in the U.S. must meet ADA accessibility standards that directly affect mobility device users. Ramps, for instance, must have a maximum slope of 1:12, meaning for every inch of height change, the ramp extends at least 12 inches horizontally. The minimum clear width is 36 inches between handrails. These numbers exist because they represent what most wheelchair and scooter users can navigate safely and independently.