Final answer:
Group exercise is the style of personal training that is often choreographed, involving a set routine to music that participants follow along with during the class.
Step-by-step explanation:
The style of personal training that is often choreographed is Group exercise. Choreography in this context means that the exercises are prearranged to music or a set routine, which is common in classes that involve aerobics, dance, or other rhythmic activities. Group exercise classes are designed to provide a structured workout experience where participants can follow along with the instructor's movements and timing. One-on-one training, on the other hand, is tailored to the individual's goals and abilities and often involves less scripted routines. Online training can vary widely, from choreographed classes to more improvised or custom workouts, depending on the program or trainer. Boot camps are typically more focused on high-intensity interval training (HIIT) and may not be choreographed to the same extent as a group exercise class.