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Crutches (cont.)

IN THIS ARTICLE

What Are the Different Types of Crutches?

Getting the Proper Fit for Crutches

There are several basic types of crutches: axillary (underarm), forearm (Lofstrand), platform, strutter, and leg support. All should be custom fitted properly to help reduce movement problems. Crutches are made in all sizes, for adults and children.

  • Axillary crutch: This is the most common type. Wooden or aluminum models can be adjusted easily to your overall height and hand height. In the stationary position, the top of the crutch should extend from a point the width of two to three fingers below the armpit (axilla) to a point on the floor 15 cm-20 cm (6 in-8 in) outside your foot. Your hand should rest at a level that allows you to flex your elbow about 30°. If you are unable to stand, simply subtract 16 inches from your height to determine the crutch length you need.
  • Forearm crutch (also known as the Lofstrand crutch, or elbow crutch): This crutch should allow you to flex your elbow 15°-30°. The increased flexion allows your arm to bear greater weight. The crutch should contact the floor 5 cm-10 cm (2 in-4 in) outside and 15 cm (6 in) in front of your foot. The cuff on the crutch should sit 2.5 cm-4 cm (1 in-1.5 in) below the back of the elbow. Some forearm crutches are ergonomic, designed for more comfort and reduced chance of injury. This type of crutch is common in Europe, however in the U.S. generally only people with lifelong disabilities such as polio use this type of crutch.
  • Platform crutch: Also known as a triceps crutch, this crutch should contact roughly 5 cm (2 in) below the skinfold of the armpit. The lower cuff should lie 1 cm-4 cm (0.5 in-1.5 in) below the back of the elbow to avoid bony contact on the arm yet provide stability.
  • Strutter crutch: This crutch is a type of underarm crutch that has larger crutch tips that remain flat on the floor. This allows for improved weight distribution and more even walking gait.
  • Leg support crutches: These are like a knee scooter where the affected leg is strapped into a support frame on wheels. Leg support crutches are particularly useful for below the knee injuries or postoperatively after below-the-knee surgery that affect one leg only.

Many of these types of crutches can also be found in a folding variety, where the crutches are designed to fold in half, making them easier to store.

Instructions on How to Use Crutches

Before you begin using crutches, your doctor, nurse, or physical therapist will show you how to adjust the crutches so they are the right height for you. If a patient has never used a crutch, they should not do so without instructions and ideally, to be safe, a trained assistant. To begin walking with crutches, gradually shift your weight to your healthy leg. Move the crutches in front of you to a point at which you can maintain stability. For the swing movement, shift your weight from your healthy leg to your arms, swinging your body through the crutches as the crutches take up the weight. Plant your healthy leg at a point ahead, again maintaining stability, and shift your weight back to the leg. Then move the crutches forward to repeat the movement.

Studies have shown that your wrist receives from one to more than three times your body weight during the swing phase of walking with crutches -- a load the upper body was not designed to sustain.

  • Never support yourself on your armpits. Hold the handgrips for support.
  • While standing, place the crutches 8 in-10 in in front of you.
  • While walking, do not try to move too quickly or to cover too long a distance with each step. Keep the crutches close to your body.
  • Generally, people use a swinging gait, where the crutches are advanced and stabilized then the feet swung through after stabilization of the crutches has occurred.
  • While using them on stairs, have someone assist you.
  • While going down stairs, place the crutches on the next step below, then step down with the good leg.
  • While going up stairs, step up with the good leg first, then bring the crutches up.
  • If using just one crutch, techniques for walking start with placing the crutch under the arm opposite your weaker leg. Move the crutch and your weaker leg forward at the same time. Then take a step with your stronger leg.
  • You may struggle with how to make crutches more comfortable. Crutch comfort can become an issue, as your body acclimates to their use. Cushioned covers or pads for the underarm and handgrip areas may be purchased.
Medically Reviewed by a Doctor on 11/9/2016

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