4 Signs You Need to Lift More Weight

When was the last time you increased your resistance? If you can't remember (or if you experience any of these other signs), then it's time to take it up a notc | See more about Fitness Workouts, Workout Exercises and Weights. Photos from the site http://www.sparkpeople.com/resource/fitness_articles.asp?id=1050#_a5y_p=2913239