case_images: PMC11221332_01
case_images: Endurance phase: (a) 135  scapular-plane abduction; (b) 180  scapular-plane abduction; (c) 135  frontal-plane abduction; (d) 180  frontal-plane abduction.
case_images: ijspt_2024_19_7_118928_230904.jpg
case_images: PMC11221332_01_ijspt_2024_19_7_118928_230904.jpg
case_images: attachment-230904
case_images: The gradation of forces was achieved by progressing from a lighter to a heavier weight and by progressing from training in the scapular- to the frontal-plane (Figure 1, a - d).