gym clothes; gym uniform; PE kit
gym clothes; gym uniform; PE kit
coordinated group gymnastics (in which teams form pyramids or other shapes)
sitting on the floor grasping one's knees (as in a gym class)
apparatus gymnastics; artistic gymnastics
gymnastics competition; artistic gymnastics
calisthenics; callisthenics
free-standing exercises; calisthenics (performed without using any apparatus)
exercise regime to convert breech presentation; trying to correct an unborn child's improper position so that the head comes out first