Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Lead knee flexion angle during swings of players of all skill levels using a driver, mid-iron (5–7), and pitching wedge (PW) or 9-iron during the six major phases of the swing: address, top of the backswing (top-BS), middle of the downswing (mid-DS), impact, middle of the follow-through (mid-FT), and end of the FT (End-FT). Thick lines and thin lines represent the combined mean and standard deviation of all study groups, respectively [39–50]
