Because Equis means horse, leading to Equine meaning horse, and equestrian meaning horse back riding.
The Greenhawk website.
In American English, that is called "bareback riding," so perhaps "horseback riding" implies the difference between riding with or without a saddle. The first horse races I went to, at a county fair back in the 50s, did not have the jockeys sitting on the horses' backs, but rather in sulkies drawn behind the horses.
The term "bareback" refers to horseback riding. When one goes bareback it means that one is riding the horse without the use of a saddle and on the bare back of the horse.
It means that riding on a horse is not allowed
Horseback riding.
horse back riding
There is a number of horse back riding places around. Depending on where you live and what you want out of horse back riding lessons. The best is the Ceader lodge and also Jeffery Wilms ranch.
It depends on the riding school.
prince phillips hobbie were dancing, horse riding, playing cricket
A saddle is what a rider sits on when riding a horse.
polo
the saddle.
Equitation
Therapeutic horse back riding.
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The term "horseback riding" emphasizes the rider's position on the horse's back, which is a key aspect of the activity. "Back" indicates that the rider is on the horse's body, distinguishing it from other forms of interaction with horses, such as leading or grooming. The phrase has historical roots and has become the standard terminology in equestrian contexts. Using "horse riding" could imply a broader range of activities that don't specifically involve riding on the horse's back.