If one was to smash his or her arm against the side of a solid table of wall then eventually one would hear a crack snap or similar noise indicating that the arm has been broken.
Can you break your hand by hitting a wall. Instead of trying to tell you how to avoid breaking your hand on someones head I want to pitch you on why you want to palm strike instead of punch. Look at your whys. A bent wrist can sprain or break your wrist.
You can minimize your chances of breaking your hand by using palm strikes instead of punches. However it can be difficult to tell the difference between a sprained hand and a fracture or break. The only way to do this is through the reactionary force of the wall pushing back on your hand.
You punched a wall and jacked up the joints and joint surfaces in your hand. You may also be interested to see what you can do to strengthen your hands and wrists with weights. Wrap the thumb over the first two fingers.
Either AE or see a medical professional who can actually give you good advice relatively quickly. The head of the metacarpal bone and phalanx forming knuckle are the hardest bones of the hand and yet these knuckle bones can break or fracture if an individual makes a full fist and hits at a hard object like a wall or a floor. A bones forming knuckle can break usually after hitting a pretty hard surface with a full fist like a wall or floor.
Take the temperature of your hand. Most often boxers fractures are seen after punching a person or an object such as a wall. The reinforcing is used to provide tensile strength.
This caused irritation and inflammation in the joint. While the injury is most often a punching motion one can also sustain this injury. Our time is the most precious asset that we have.