Figure 4From: Kinematic relationship between rotation of lumbar spine and hip joints during golf swing in professional golfersAngle–angle plots of rotational movement of lumbar spine versus the leading (a) and trailing hip (b) joints of a representative professional golfer. The major swing events (address, backswing top and impact) were shown as red points. Positive values of each axis indicate that lumbar spine rotated to the right, leading hip rotated externally, and trailing hip rotated internally.Back to article page