Final answer:
Muscular strength vs. muscular endurance, their definitions and importance in fitness.
Explanation:
Muscular strength is the ability of a muscle to exert force over a single maximal effort, while muscular endurance is the capability to repeat a movement over an extended period of time.
For example, lifting a heavy weight for one repetition tests muscular strength, whereas doing multiple repetitions of the same weight tests muscular endurance. Both strength and endurance are essential components of physical fitness.
Improving muscular strength and endurance can be achieved through resistance training, which involves exercises like weightlifting and bodyweight exercises.
Learn more about Muscular strength vs. muscular endurance here:
https://brainly.com/question/41924738