This happens when the hind leg lands before the corresponding diagonal foreleg.
From the kentucky.com
Then they step with their right hind leg followed by the right foreleg, and so on.
From the sciencedaily.com
One of the elephants, Candy, loved to be scratched on the belly behind her foreleg.
From the en.wikipedia.org
To give the foreleg, two cheeks, and abomasum of slaughtered animals to a KohenDeut.
From the en.wikipedia.org
The horse fractured sesamoid bones in his right foreleg and was euthanized.
From the latimes.com
Another flick and the foreleg playfully kicked sand at watching newsmen.
From the time.com
Electrical tape or duct tape is good for taping a tag to buck antlers or a doe's foreleg.
From the dallasnews.com
Then he taps the female with his foreleg, which triggers pheromone cues.
From the sciencedaily.com
He was undersize, injury prone, had a flayed foreleg and a broken-boned, one-eyed jockey.
From the time.com
More examples
The forelimb of a quadruped
A forelimb is an anterior (front-most) limb (arm, leg, or similar appendage) on an animal's body. When referring to quadrupeds (four-legged animals), the term foreleg is often instead used.
Either of the two legs towards the front of a four-legged animal
(Forelegs) the front pair of legs in insects and other animals that walk with more than one pair of legs on the ground