I don't know if you would consider it strong.
-Member of Sigma Alpha Lambda Honors Fraternity (Although I haven't invested very much time)
-Volunteered at Hospital ER for 60 hours
-Research for over a year (soon to be published, possibly twice)
-Volunteered with some small things around my church, not very much time though.
-Intramural sports
-Health Science Scholars Program (Learning community for 1 year)
-Shadowed Ortho Surgeon ~ 100 hours