1: In the early 1920s, gym class in the USA was focused on military-style drills and exercises.

2: Students wore uniform-like gym suits and performed calisthenics, stretching, and marching drills.

3: Gym teachers emphasized the importance of physical fitness and discipline in gym class.

4: Sports like basketball, volleyball, and track and field started gaining popularity in gym classes.

5: Gym class also included games like dodgeball, kickball, and rope climbing for physical activity.

6: Fitness testing and evaluations became common in gym classes to track students' progress.

7: Barbells, dumbbells, and stretching exercises were introduced in gym class curriculum.

8: The National School Physical Education Association was founded to promote physical education in schools.

9: Gym class a century ago laid the foundation for modern physical education programs in the USA.