Back that Bootie up-Workout of the Day

Todays workout is focusing alot onlower body and core. Do 4 rounds of the following exercises making sure to keep good form. You can do it as a time challenge if you choose. If not move quickly from one exercise to the next and take a 40 sec break at 5th exercise then start over. As always keep track of the weights used and how you felt. Abs will be done after youve completed the circuit.
10 reps each leg-Single leg squats
12 reps each leg-Reverse lunge to single leg calf raise w/ straight arms overhead w/ weights(hold arms straight over head, go into a reverse lunge then push through front leg and up onto balls of feet for a calf raise)
12 reps-Squat to Arnold Press w/ weights (Start in a squat with arms in the starting shoulder press position. Push up to standing as you press arms up over head. Flip your palms towards your face and lower palms toward chest. At the same time lower down into a squat)
15 reps-Deadlift to straight arm pullback w/ weights (Drop down into a deadlift, when palms are below your knees pull palms back behind you, like your doing a ski jump. Squeeze your shoulder blades together as your pull back. Bring hands back forward then come back up into a standing position)
20 reps-Half burpee(With hands on floor kick feet back like doing a burpee then back towards hands but do not stand up. Each time your feet are near your hands is one rep.)

core circuit 2x
1 min-Plank on elbows
15 reps-Reverse crunches
15 reps-Hanging knee raises
15 reps-dumbell pullover to situp