Answer:
The correct answer is overtraining.
Step-by-step explanation:
Overtraining is a common issue in weight training, however, it can also be faced by runners and other athletes. It takes place when the intensity and volume of the exercise enhance from the recovery capacity of an individual. Due to overtraining, the person stops making progress, and even start to lose fitness and strength.
Some of the detrimental effects of overtraining are decreased performance, excessive fatigue, increased perceived effort at the time of workouts, loss of appetite, agitation and moodiness, metabolic imbalances and others. In order to overcome the issue, the person needs to train in different phases. As different phases of training help an individual from getting over-trained.