Terrestrial locomotion

locomotionterrestrialTerrestrial locomotion in animalscrawlingTerrestrial locomotion in animals: Rollingcrawl on its bellyhind limbs held erect beneath the bodylegged locomotionLimbless locomotionlocomotion in animals
Terrestrial locomotion has evolved as animals adapted from aquatic to terrestrial environments.wikipedia
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Running

runnerrunnersrun
There are also many gaits, ways of moving the legs to locomote, such as walking, running, or jumping. For example, the main human gaits are bipedal walking and running, but they employ many other gaits occasionally, including a four-legged crawl in tight spaces.
Running is a method of terrestrial locomotion allowing humans and other animals to move rapidly on foot.

Amphibious fish

amphibious
Unusual examples can be found among amphibious fish, such as the mudskipper, which drag themselves across land on their sturdy fins.
These fish use a range of terrestrial locomotory modes, such as lateral undulation, tripod-like walking (using paired fins and tail), and jumping.

Mammal

mammalsMammaliamammalian
Mammals and birds typically have a fully erect posture, though each evolved it independently.
The basic body type is quadruped, and most mammals use their four extremities for terrestrial locomotion; but in some, the extremities are adapted for life at sea, in the air, in trees, underground, or on two legs.

Bipedalism

bipedalbipedbipeds
A number of species move and stand on two legs, that is, they are bipedal.
Bipedalism is a form of terrestrial locomotion where an organism moves by means of its two rear limbs or legs.

Quadrupedalism

quadrupedquadrupedalquadrupeds
With the exception of the birds, terrestrial vertebrate groups with legs are mostly quadrupedal – the mammals, reptiles, and the amphibians usually move on four legs.
Quadrupedalism or pronograde posture is a form of terrestrial locomotion in animals using four limbs or legs.

Proleg

prolegscrochetsprolegs with crochets
Exceptions among the insects include praying mantises and water scorpions, which are quadrupeds with their front two legs modified for grasping, some butterflies such as the Lycaenidae (blues and hairstreaks) which use only four legs, and some kinds of insect larvae that may have no legs (e.g., maggots), or additional prolegs (e.g., caterpillars).
* Terrestrial locomotion in animals

Hand walking

handstand walkwalking on his handshand balancers
In animals where feet have evolved into functional hands, hand walking is also possible.

Gait (human)

gaithuman gaitheel strike
For example, the main human gaits are bipedal walking and running, but they employ many other gaits occasionally, including a four-legged crawl in tight spaces.

Limbless vertebrate

Limbless vertebrateslimblessness
There are a number of terrestrial and amphibious limbless vertebrates and invertebrates.

Gait analysis

gaitgait is assessedgait patterns
Gait analysis is the study of gait in humans and other animals.

Rolling

rollRolling motion rolling thread
Although animals have never evolved wheels for locomotion, a small number of animals will move at times by rolling their whole body.

Wheel

wheelsroadwheelswheeled
Although animals have never evolved wheels for locomotion, a small number of animals will move at times by rolling their whole body.

Evolution

evolvedtheory of evolutionevolutionary
Terrestrial locomotion has evolved as animals adapted from aquatic to terrestrial environments.

Animal

Animaliaanimalsmetazoa
Terrestrial locomotion has evolved as animals adapted from aquatic to terrestrial environments.

Ecoregion

ecoregionsterrestrialterrestrial ecoregion
Terrestrial locomotion has evolved as animals adapted from aquatic to terrestrial environments.

Animal locomotion

locomotionlocomotor activitylocomotor
Locomotion on land raises different problems than that in water, with reduced friction being replaced by the effects of gravity.

Friction

coefficient of frictionstatic frictionfriction coefficient
Locomotion on land raises different problems than that in water, with reduced friction being replaced by the effects of gravity.

Gravity

gravitationgravitationalgravitational force
Locomotion on land raises different problems than that in water, with reduced friction being replaced by the effects of gravity.

Vertebrate

Vertebratavertebratesvertebral
Movement on appendages is the most common form of terrestrial locomotion, it is the basic form of locomotion of two major groups with many terrestrial members, the vertebrates and the arthropods.

Arthropod

ArthropodaarthropodsEuarthropoda
Movement on appendages is the most common form of terrestrial locomotion, it is the basic form of locomotion of two major groups with many terrestrial members, the vertebrates and the arthropods.

Leg

legslocomotory appendageslower extremities
Important aspects of legged locomotion are posture (the way the body is supported by the legs), the number of legs, and the functional structure of the leg and foot.

Foot

feetinstepft
Important aspects of legged locomotion are posture (the way the body is supported by the legs), the number of legs, and the functional structure of the leg and foot.

Walking

walkambulantwalkers
There are also many gaits, ways of moving the legs to locomote, such as walking, running, or jumping. For example, the main human gaits are bipedal walking and running, but they employ many other gaits occasionally, including a four-legged crawl in tight spaces.

Jumping

jumpleapingjumps
There are also many gaits, ways of moving the legs to locomote, such as walking, running, or jumping.