Answer:
Isotonic exercise
Explanation:
Isotonic exercise is basically weight training. It is a type of exercise where you apply force to move a static object. So to move the object, you will need to force your muscles to move them. You can use your own body as weights, use equipment like dumbbells or machines.
Isotonic exercises are good for specific workouts for specific needs. For example runners can do isotonic exercises that focuses on building leg muscles.