Based on the context and the answer, generate a question. 

Context: My lower back has been hurting really bad since the last pt test 2 weeks ago . I only did my minimum situps , too . The last pt test it was the same thing , only i did way more situps . I went to the dr yesterday and got some good drugs thank God . Well , a good drug .

Answer:

I injured my back while doing physical training



Why was my lower back hurting badly .