Ice packs or heating pads
Swelling, Arm pain if you have any of these rest the arm, if it is no better go to your doctor he/she will tell you what to do and might tell you to wear a sling. If she/he doesn't give you a sling make one out of a scarf.
because you cangrip it better and when you can grip it better you can use more arm strength to make it go faster
If the person is recuperating, bring gifts and activities. Once your friend is on the mend, help out with things that are difficult or impossible to do using just one arm.
Metal+tool=arm
It was the scream tour he was about to do a flip and popped his arm out of place but its better not
The job of the bone in your arm is to make sure your arm moves in any possible way.
You can put your arm behind your back and secure it there.
I would get to a Doctor ASAP, it could be infection in your arm. You need to make sure you tell them exactly what happened and how it got there. Good Luck, and don't be sticking needles in your arm. There are better ways to spend your time and your life.
A longer arm makes more velocity, longer distance, and more height
First you take a lond string and attach it to your arm then you get bouncy ball and add it to you Arm, now you have an Rigid Arm Pendulum.
I dont know... Maybe put two parts of the arm and connect them with a wheel to make them turn... idk
A tetanus vaccine injection can cause swelling of the arm. If it doesn't get better in a day, talk to the doctor.