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locomotion. The end of the leg farthest from the animal's body is often either modified or attached to another structure that is modified to disperse the animal's weight on the ground (see foot). In bipedal vertebrate animals, the two lower limbs are usually referred to as the 'legs' and the two upper limbs as the 'arms' or 'wings' as the case may be.

 

"Leg" is also a military term used to describe a service man (or woman) without airborne qualification. (no jump wings)

 

Legs typically come in even-numbered quantities. Many taxonomic groups are characterized by the number of legs its members possess.

 

Uniped: 1

Biped: 2

Tripedal: 3

Quadruped: 4

Quinped: 5

Arthropoda: 4, 6, 8, 12, or 14

Some arthropods have more than a dozen legs; a few species possess over 100. Despite what their names might suggest,

Centipedes typically have fewer than one hundred legs

Millipedes have fewer than one thousand legs.

 

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Taken on October 10, 2005