Figure 2.

Depiction of exercise programs. (A): Plank. (B): Russian twist. (C): Prone back extensions. (D): Kneeling universal disc plank support. (E): Single-leg universal disc touch support on both sides. (F): Standing support on both feet with a universal disc. (G): Standing support on both feet with a universal disc while holding a medicine ball. (H): Plank exercise with a universal disc. (I): Single-leg standing support with a universal disc while holding a ball. (J): Plank exercise with a balance cushion. (K): Push-ups with a balance cushion. (L): Standing body rotation with rope. (M): Single-leg standing support with a universal disc. (N): Core anti-rotation while standing on a balance cushion. (O): Throwing medicine ball while standing on a balance cushion. The training movements generally involved the subject performing the entire golf swing motion with the power stick—including the setup, backswing, downswing, and follow-through—repeated in sequence.