i had a TBI( traumatic brain injury )1.5 years ago for 6 months i was absolutly unconscious now i feel very heavy in my right leg .i am doing physioyhrapy and sports and insist on this routin.but my sister(MSc in microbiology)says "you shoud not insist on doing sports you should work on your brain and try to memorize poem and so on. it will correct your body physically." Is she right ?