Answer;
Throughout life
Explanation;
-Muscle strength is the ability to exert a maximal amount of force for a short period of time. In the gym, that may be bench pressing a heavy barbell 5-8 repetitions. The benefits of muscular strength and muscular endurance training include: Reduces body fat and increases lean body mass (muscle mass) Helps to keep bones dense and strong.
-Muscular strength and endurance are important for many reasons: Increases the ability to do activities like opening doors, lifting boxes or chopping wood without getting tired. Reduce the risk of injury.