Let's continue our challenge, shall we? Dig deep, 'cause we're adding on. Warm up 3-5 minutes (walk in place, do jumping jacks, jog up and down the hall) Perform the following workout 1 time through: (with a 15 second rest in between): 10 push ups 15 push ups 10 push ups 15 push ups Here's a reminder on form: Modified …