,HISTORY OF PRESENT ILLNESS:  ,The patient is a 26-year-old African-American male who states that he was stepping off a hilo at work when he felt a sudden pop in the posterior aspect of his left leg. 
,HISTORY OF PRESENT ILLNESS : , The patient is a 26 - year - old African - American male who states that he was stepping off a hilo at work when he felt a sudden pop in the posterior aspect of his left leg .