Press heavy on a fixed groove.
Keep your core braced and don't lean back, let the fixed bar path stack over your shoulders.
The Overhead Press (Smith) is a Shoulders-first movement, with Triceps working as the supporting cast. Track it consistently and you'll see exactly how it feeds your shoulders volume for the week.
The Overhead Press (Smith) primarily works the Shoulders with Triceps assisting.
Pick a weight where you finish each set with 1 to 2 clean reps left in the tank. Own the top of your rep range before adding weight.
For most lifters 3 to 4 working sets. Pick the rep range that fits your goal and progress the load when the top of the range feels owned.
