Arm wrestling: sport, techniques, history, and safety

Basic characteristics and rules

Although informal matches vary, regulated arm wrestling follows a small set of rules that govern starting position, allowable movement, and what constitutes a foul. Competitors place their elbow on a pad, grip each other with the chosen hand, and begin at a fixed signal. Common elements include:

• Elbow placement: the elbow must remain in contact with the pad during the contest.
• Grip and wrist: a fair grip is required; levering, slipping, and certain holds can be penalized.
• Start and fouls: matches start on a referee signal and illegal moves or loss of contact may be called as fouls.

For details of formalized rules used by many organizations, see the official rules.

Techniques and strategy

Success in arm wrestling blends raw strength with leverage, hand control, and body positioning. Common techniques include the top roll—aimed at controlling the opponent's fingers and wrist—and the hook, which uses forearm rotation and elbow drive to pull the opponent in. Competitors also use "pressing" motions to apply direct downward force. Footing, shoulder alignment, and torso rotation often decide close contests as much as arm strength.

Training commonly targets grip strength, wrist and forearm conditioning, and shoulder stability. Because the sport stresses joints and tendons, progressive training and supervised technique are recommended to reduce injury risk.

Historically, arm wrestling has roots as an informal test of strength found in many cultures. Over the 20th and 21st centuries it evolved into organized competition with weight classes, age divisions, and both amateur and professional circuits. Notable distinctions include left-hand and right-hand events and specialized tables and pads used in sanctioned tournaments. While simple in concept, arm wrestling involves nuanced biomechanics and strategy that reward practiced skill as well as power.