Adding dumbbells to your sweat session will build some metabolism-boosting muscle. This circuit workout, full of multitasking moves, is incredibly effective for toning your entire body in little time. frugal fitness tips, thrifty fitness tips
love doing this circuit at home when i'm short on time. can do all of the exercises (all 3 circuits) twice in about 20 minutes and break a great sweat! Printable Full-Body Circuit Workout — No Equipment Needed!
This High-Intensity Workout Leaves No Muscle Untouched