Employee stacks stone on pallets. Called me morning of 07/23/2020 said arm and shoulder was hurting, took the day off. Worked on 07/24/2020 and 07/27/2020, called me this morning 07/28/2020, Arm and shoulder are hurting, sent them for evaluation. Doctor report indicates a trapezius strain, L. shoulder stain and L. elbow strain.