Dumbbell Step Ups

How to do it

Stand up straight while holding a dumbbell on each hand (palms facing the side of your legs).
Place the right foot on the elevated platform. Step on the platform by extending the hip and the knee of your right leg. Use the heel mainly to lift the rest of your body up and place the foot of the left leg on the platform as well. Breathe out as you execute the force required to come up.
Step down with the left leg by flexing the hip and knee of the right leg as you inhale. Return to the original standing position by placing the right foot of to next to the left foot on the initial position.
Repeat with the right leg for the recommended amount of repetitions and then perform with the left leg.

What muscles does the Dumbbell Step Ups work?: Mainly the quads, with help from the calves, glutes, hamstrings.
What equipment do I need?: Dumbbell.
Is it good for beginners?: It is rated intermediate level.
How do I track progress on it?: Log each set and beat the weight or reps from last time. Liftrung shows your last set beside the next one and estimates your one-rep max from your sets.

Exercise descriptions: free-exercise-db, public domain.