When you don’t have time to get to the gym for your favorite strength class, this workout will definitely give you the challenge you are missing. This upper-body strength workout, for all fitness levels, is designed to build endurance, while strengthening and toning your entire upper-body. The routine builds on itself with each round, with little to no rest recommended.  As each round progresses, start with the first exercise and work through each one until all exercises and reps are completed. Get ready for a CHALLENGE!