4 foot 7 inches 3 u2032 9 u2033 4 u2032 7 u2033 b 37 u2033 45 u2033 for a youth 4 u2032 6 u2033 5 u2032 2 u2033 c 44 u2032 52 u2033 for an adult 5 u2032 1 u2033 5 u2032 9 u2033 and d 52 u2033 60 u2033 for a tall adult 5 u2032 10 u2033 6 u2032 6 u2033 a typical prior art wooden crutch requires five different size crutches to cover the same range of patients as is apparent since prior crutches have different shaped upper and lower bows not only must many sizes be inventoried different top and bottom components must also be stored crutches incorporating features of the invention because of their ease of assembly can provide a broader size range with only two size combinations of upper bow 14 and lower bow 12 further because of the design of the product the upper and lower bow can be of exactly the same length appearance and construction while the length of the standard components may be varied in a preferred embodiment a crutch for an adult 5 u2032 5 u2033 to 7 u2032 4 u2033 may be assembled from two bows 12 14 which are of the.