At first, it just felt like a forearm cramp. Sam Rosand shook it off. The high school junior figured serious pitching injuries involve a pop of the elbow, so he toed the rubber and threw again.

Cincinnati Bengals quarterback Joe Burrow turned plenty of heads this week when he returned to practice on a limited basis while prepping for an on-field return, possibly within the next few weeks.

Baseball pitching is an intricate interplay of kinematics and kinetics, where the coordination of multiple body segments is critical to generating high ball velocities while minimising injury risk.