Self-defense can still be effective with one arm, but it may require some modifications and adjustments. Techniques that rely heavily on two arms may need to be adapted to work with one arm. It is important to focus on using your body weight, leverage, and positioning to compensate for the lack of a second arm. Training and practice are key to developing the skills needed to effectively defend yourself with one arm. **

In arm wrestling, "short arm" refers to a technique where the wrestler keeps their elbow close to their body, creating a shorter lever for their opponent to push against. This technique can provide a mechanical advantage by reducing the distance the opponent's force has to travel, making it more difficult for them to overcome the resistance. By using the short arm technique, a wrestler can effectively use their body mechanics to gain an advantage in the match. **

In most jurisdictions, the use of force in self-defense is allowed only to the extent that it is necessary to protect oneself from harm. Breaking someone's arm would likely be considered excessive force unless it was the only way to prevent serious injury or death. It is important to remember that self-defense laws vary by location, so it is best to consult with a legal professional for specific guidance. **

Your left arm may be stronger due to a variety of reasons. One possibility is that you may have been using your left arm more for certain activities, such as carrying heavy objects or performing tasks that require strength. Additionally, it is also possible that you have been engaging in exercises that specifically target your left arm, leading to increased strength. Another reason could be that you have a natural strength imbalance between your arms, which is not uncommon. It is important to continue to engage in balanced strength training exercises to ensure both arms are equally strong and functional. **

It is not possible to determine if the right arm is weaker than the left arm without conducting a physical assessment or strength test. Factors such as hand dominance, previous injuries, and muscle imbalances can all contribute to differences in strength between the arms. It is recommended to consult with a healthcare professional or a fitness trainer for a proper evaluation and personalized recommendations. **

In arm wrestling, having a short arm means that the distance between your shoulder and hand is shorter compared to your opponent. This can be a disadvantage because it may limit your leverage and ability to apply force against your opponent. A longer arm typically provides more leverage and strength, making it easier to control the match. However, technique, speed, and overall strength also play important roles in arm wrestling, so having a short arm does not necessarily mean you will lose. **

One can break their arm while arm wrestling if they apply excessive force or pressure to their arm during the match. This can cause the bones in the arm to fracture or break, especially if the arm is in a vulnerable position or if the arm wrestling technique is incorrect. Additionally, sudden jerking or twisting movements during the match can also lead to a broken arm. It is important to use proper technique and to be mindful of the amount of force being exerted during arm wrestling to prevent injury. **

Arm wrestling is a physical competition where two individuals try to force each other's arm down onto a surface. On the other hand, arm wrestling is not a recognized term or activity, so there is no difference between arm wrestling and arm wrestling. It seems like there may have been a typo or error in the question. **