What is a distinguishing feature of isokinetic training?

Isokinetic training is defined by its key feature of maintaining a constant speed throughout the entire range of motion. This allows for a consistent resistance that adjusts to the individual's force exerted during the exercise, making it possible to evaluate and enhance muscle strength effectively.

This consistent speed ensures that the muscles are worked optimally throughout the entire movement, promoting strength gains while minimizing the risk of injury. With isokinetic training, because the speed does not vary, it focuses on the quality of the movement rather than the quantity of weight being lifted or the speed of the exercise itself.

The other options highlight important aspects of muscular training but do not accurately describe isokinetic training. For instance, variable speed does not fit in this context as it pertains to isotonic or other forms of training where the speed can change. Maximum force generation in a single range and isolation of specific muscle groups are more characteristic of isometric or isolation exercises rather than the comprehensive nature of isokinetic training, which aims to engage muscles consistently throughout a full range of motion.