Question

select the word that means pieces of equipment used for a specific activity. friedrich jahn, a nineteenth - century german educator, is often referred to as the father of modern gymnastics. gymnastics has been around for nearly two thousand years. however, jahn greatly changed the sport. he invented most of its modern apparatuses, including the balance beam, parallel bars, rings, and the pommel horse.

Explanation:

The text mentions that Friedrich Jahn invented most of the modern "apparatuses" for gymnastics, which are pieces of equipment used for the specific activity of gymnastics.

Answer:

apparatuses