This is the 11275th most frequent Spanish word.
enérgicas
Energetic or vigorous.
In this sentence, 'enérgicas' is used as an adjective to describe the nature of the measures as forceful, decisive, and vigorous.
Las medidas enérgicas tomadas por el gobierno ayudaron a resolver la crisis rápidamente.
The vigorous measures taken by the government helped resolve the crisis quickly.
Here, 'enérgica' is used to describe how Maria responded, implying that her responses were spirited and dynamic.
María respondió de manera enérgica a las preguntas del debate.
Maria responded energetically to the debate questions.
In this case, 'enérgicos' characterizes the intensity or vigor of the trainings, suggesting they were rigorous and filled with energy.