Iron Strong's Leg Circuit 2 is a compliment to Iron Strong's Favorite Booty Circuit.
This 1 minute video demonstrates the form for the 4 exercises in the circuit. The circuit comprises 4 exercises, 10 reps each, 4 rounds. This will work if you continue to pick a challenging weight. Challenging = whatever dumbbells you wanted to pick up, go up one heavier from that.
4 rounds of the following:
Dumbbell Squats: 10
Single Leg Step Up: 10 per leg
Reverse Lunges: 10 per leg
Bulgarian Split Squat: 10 per leg