30 Day Push Up Challenge
LIVESTRONG.COM's 30-Day Push-Up Challenge
This will look awk on a treadmill, but Michigan winters...
180-second arm workouts [beginner, intermediate, and advanced] that you can do at home.
Which works where
These are awesome...Wall Plank Knee Tucks - this is a great overall body fitness move. Targets mostly upper body and core.
Anyone can fit in some cardio without hopping on a machine. These are 35 cardio-based strength exercises that will pump up the heart rate without running for miles - great for in between reps too, crazy calorie burner!