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Assistive devices consisting of a shaft that bifurcates at some point from the distal tip. They are designed to provide additional support to the user while walking. These devices usually consist of a shaft that bifurcates partway up from the distal tip (i.e., base); a handle at the proximal end finished in a soft pad; and a rubber tip at the distal end(s). Some crutches have several (e.g., three to four) distal tips to improve floor contact. Crutches are typically made of sturdy materials such as wood (e.g., walnut), light metals (e.g., aluminum, titanium), fiberglass, or a combination of these. Most common types of crutches include axillary (i.e., underarm) and forearm designs. Other dedicated (e.g.; platform and tripod) crutches are also available. Crutches are adjustable for the user\'s height and arm length and are commonly used in pairs.
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