Smith Machine One-Arm Upright Row

How to do it

With the bar at thigh level, load an appropriate weight.
Take a wide grip on the bar and unhook the weight, removing your off hand from the bar. Your arm should be extended as you stand up straight with your head and chest up. This will be your starting position.
Begin the movement by flexing the elbow, raising the upper arm with the elbow pointed out. Continue until your upper arm is parallel to the floor.
After a brief pause, return the weight to the starting position.
Repeat for the desired number of repetitions before engaging the hooks to rack the weight.

What muscles does the Smith Machine One-Arm Upright Row work?: Mainly the shoulders, with help from the biceps, traps.
What equipment do I need?: Machine.
Is it good for beginners?: Yes, it is rated beginner 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.