Nerves causes adrenaline to rip through your body. The smartest way I know how to train this is hit putts in between sets as you workout. I always find when I do lunges and squats and putt in between it simulates that shaky arms and legs feeling when I am nervous. Try it!

Look at your shoulders when the club is parallel in the downswing. Are they shut, neutral, or open. This will determine path. I usually play to a 2 degree in out on my irons. Observe my shoulder alignment below ⬇️