From the top, which part of your body initiates the downswing? Many get into a good position at the top, but then allow the downswing to start with their arms or even hands.
You want accuracy and consistency of ball strike with approach shots. That is much, much easier to achieve if the large muscles control your first movement back to the ball.
Male golfers especially are conditioned to try and hit the ball with their arms and hands. I want all of you to take an #8 iron, get out on the range, hit balls, and to try and quieten your arms and hands. Try consciously hitting the ball with your “body” rotation. Notice how much more solid you can strike the ball. Practice this.