What Is a Knee Walker?
A knee walker (also called a knee scooter) is a wheeled device where you rest your injured leg on a padded platform and push yourself along with your good leg. It is a popular alternative to crutches for people recovering from foot, ankle, or lower leg injuries or surgery. Unlike crutches, a knee walker keeps your hands free for carrying items, causes less fatigue, and puts no strain on your shoulders, wrists, or armpits.
Who Should Use a Knee Walker?
Knee walkers are ideal for people recovering from Achilles tendon surgery, ankle fractures or sprains, bunion surgery, foot amputations (partial), plantar fasciitis surgery, and any condition requiring non-weight-bearing on one foot. They are not suitable for above-knee injuries, bilateral leg injuries, or people with poor balance or upper body weakness. Your consultant or physiotherapist can advise whether a knee walker is appropriate for your specific recovery.
Knee Walker vs Crutches: Which Is Better?
Crutches are the standard NHS option and cost nothing, but many people find them exhausting, painful under the arms, and difficult on stairs. Knee walkers are faster, more comfortable, and let you carry things in a basket. However, they cannot be used on stairs, are harder to transport, and cost more. Many people use both: a knee walker for flat ground and daily activities, and crutches for stairs and tight spaces.
Types of Knee Walker
Standard four-wheel knee walkers: The most stable option with four wheels, handlebars, a brake, and a basket. They work well on flat indoor and outdoor surfaces. Most models fold for car transport.
Steerable knee walkers: Feature a front wheel that turns like a bicycle, offering much better manoeuvrability in tight spaces. Most modern models are steerable.
All-terrain knee walkers: Have larger pneumatic tyres and suspension for use on grass, gravel, and uneven ground. They weigh more but handle outdoor conditions that would be impossible on standard models.
Compact/folding knee walkers: Designed for portability, these fold smaller than standard models and can fit in a car boot more easily. Good for people who need to travel frequently during recovery.
Key Features to Look For
Knee pad height and comfort: The pad should be adjustable to match your leg length. Thick memory foam padding is more comfortable for extended use. Some models have contoured pads that reduce pressure points.
Handlebar height: Should adjust to allow a comfortable, upright posture. If the handlebars are too low, you will lean forward and develop back pain.
Brakes: A reliable handbrake (usually rear-wheel) is essential. Some models also have a parking brake to stop the scooter rolling when stationary.
Weight capacity: Standard models support 100-135kg. Heavy-duty versions go up to 180kg+.
Wheel size: Larger wheels (20-30cm) handle pavement cracks and thresholds better. Smaller wheels are lighter but jolt on uneven surfaces.
Where to Buy or Hire in the UK
Knee walkers are not commonly available on the NHS, so you will likely need to buy or hire one privately. Purchase prices range from £100-300 for standard models and £200-400+ for all-terrain versions. Several UK companies offer hire from around £20-30 per week or £60-100 per month, which can be more economical for short recovery periods. Retailers like CareCo, Ability Superstore, and Amazon UK stock a range of models.
Tips for Using a Knee Walker Safely
Always keep your weight centred over the knee pad rather than leaning to one side. Use the brake when stopping, especially on slopes. Take extra care on wet or slippery surfaces. Avoid carrying heavy items on the handlebars as this can affect steering. If you need to navigate stairs, switch to crutches. Wear supportive, flat shoes on your standing foot to prevent strain.
Sources & Useful Resources
- NHS Broken Ankle Recovery Guide
- Chartered Society of Physiotherapy
- GOV.UK VAT Relief for Disabled People