Figure 3. Definitions of kinematic and kinetic variables: (a) shoulder rotation, (b) pelvic rotation, (c) shoulder side-bending, (d) pelvic side-bending, (e) trunk flexion, (f) hip flexion, (g) knee flexion, (h) ankle dorsiflexion, (i) hand height, (j) head height, (k) absolute arm angle, (l) club-face aim, (m) lie angle, (n) loft angle, (o) vertical ground reaction force (VGRF), and (p) center of pressure (COP).