Final answer:
Joseph Pilates described his body of work and exercise system as a pattern of physical exercise that involves vigorous and medium muscular work. The Pilates system focuses on strengthening the core muscles, improving flexibility, and promoting body balance and coordination.
Step-by-step explanation:
Joseph Pilates described his body of work and exercise system as a pattern of physical exercise that involves some short periods of vigorous muscular work and longer periods of medium (and varied) muscular work.
His exercise system, commonly known as Pilates, focuses on strengthening the core muscles, improving flexibility, and promoting overall body balance and coordination.