There are a number of names for the balls - generally they are called zorbing balls or OGOs.
Medicine balls can be used for training or regaining one's strength after disease. Medicine balls are also known as exercise balls. They can weigh up to 10 kg or more.
It's actually the "antecubital" area or region.
Those giant inflatable balls that you can go inside are called zorbs or human hamster balls. They are typically used for fun activities like rolling down hills or across water.
No medicine balls do not bounce unless you throw them on a trampoline.
stamen, they produce pollen to fertilize ovaries
The property that separates styrofoam balls is their buoyancy. Styrofoam balls are lightweight and have air trapped inside, making them less dense than water. This causes them to float on the surface of water, separating them from denser materials that sink.
Inside.
There are a few different types of exercise balls. One can get large exercise balls, mini balls, medicine balls, small toning balls, foot massage balls and weighted exercise balls.
Medicine balls are weighted balls almost 14 inches in diameter and are most often used to strengthen the muscles in the arms through various movements.
The inside of a whopper is called the inside of a whopper (just kidding). "Whoppers are chocolate-coated malted milk balls produced by The Hershey Company. The candy is a small, round ball about 3/4 of an inch in diameter." - wiki
because your balls are big