@davidseybering: This shoulder exercise will help you improve your overhead strength and stability especially for attack and serve 🏐💪 Start from Level 1 with 3 sets of 5-10 seconds 3 times per week and slowly work your way up to level 4 with 3 sets of 8-10 reps 🙌 #volleyball #shoulder #pain #exercise #attack #serve #power #strength #viral