Workout hard today, even if you only have 20-30 minutes. Here is a good leg workout to get you going for the day. Make sure you warm up properly and are fully ready to move before beginning this. Hit this fast and with a purpose, limit your rest and really elevate that heart rate.

6 Rounds
5 front Squats at a moderate to light weight
10 incline sit ups

Rest 3 minutes

10 minutes of as many rounds and reps as possible
10 push ups
10 sit ups
10 air squats

Rest 3 minutes

5 Sets
20 Dumbbell lunges
:30 second plank