This simple exercise works your hamstrings and your upper body in easy-to-perform lunges.
Work your upper body, especially the deltoids with a dumbbell lateral raise. Pause at the top before bringing your arms down.
Start with your palms facing forward them raise each dumbbell over each shoulder beginning at chin height. Lower slowly.
Get rid of the back arm flab with tricep extensions. Using the dumbbell adds counter weight to chisel your muscles.
A classic favorite--the dumbbell row works your back and triceps. Keep your back in a neutral position with a soft knee, slowly drive up your elbow, lift it to your torso, then lower slowly.