Jade Cameron - Pro Volleyball Performance Specialist on Instagram: "In order to access the patient arm position, you need to have the space in the shoulder aka mobility. This is torso and arm separation/mobility. Sometimes athletes are told to get into certain positions to spike but if they don’t have the mobility for that they’ll be jamming into space they don’t have. The patient arm is a key position to have in the spike to transfer the force from the torso rotating in the reverse s curve (up

Understanding Average and Instantaneous Velocity in Calculus