The Spartan Workout: Part 33 Lunges getting too easy? Try it with a sandbag. Or a sandwich, if you’re lazy. Maxim Staff 2 Apr 17, 2013 SHARE Share on Facebook Facebook Share on Twitter Twitter Share on Pinterest Pinterest Lunges getting too easy? Try it with a sandbag. Or a sandwich, if you’re lazy. Mentioned in this article: spartan sports upkeep video