Arm wrestling is a combat sport with two participants. Each participant places the elbow of one bent arm (usually the right) on a table surface and grasps the other participant’s hand. The goal is to pin the opponents forearm and hand onto the table surface with the arm.
Arm wrestling involves thoracic and lumbar sidebending and rotation, shoulder extension, adduction and internal rotation, elbow flexion and pronation, wrist and hand flexion.
In addition to stretching the prime movers you will need to stretch their antagonists and joint stabiliser such as the muscles of scapula retraction and protraction, hip extension and abduction and knee extension.