Jumping

Jumping or leaping is a form of locomotion or movement in which an organism or non-living (e.g., robotic) mechanical system propels itself through the air along a ballistic trajectory. Jumping can be distinguished from running, galloping and other gaits where the entire body is temporarily airborne by the relatively long duration of the aerial phase and high angle of initial launch.

Some animals, such as the kangaroo, employ jumping (commonly called hopping in this instance) as their primary form of locomotion, while others, such as frogs, use it only as a means to escape predators. Jumping is also a key feature of various activities and sports, including the long jump, high jump and show jumping.

Classification
One way to classify jumping is by the manner of foot transfer.[4] In this classification system, five basic jump forms are distinguished:

• Jump — jumping from and landing on two feet
• Hop — jumping from one foot and landing on the same foot
• Leap — jumping from one foot and landing on the other foot
• Assemble — jumping from one foot and landing on two feet
• Sissonne — jumping from two feet and landing on one foot

Leaping gaits, which are distinct from running gaits (see Locomotion), include cantering, galloping, and pronging.
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