Final answer:
Common workout formats involve short periods of vigorous muscular work and longer periods of medium muscular work. Examples include HIIT, circuit training, and pyramid training.
Step-by-step explanation:
A common workout format is a pattern of physical exercise that involves some short periods of vigorous muscular work and longer periods of medium (and varied) muscular work. Examples of common workout formats include high-intensity interval training (HIIT), circuit training, and pyramid training.