The most common injury to the calf while running is the forced extension of the calf muscles causing minor to sever tearing in the muscle. This can be avoided through proper hydration along with a solid warm up routine with stretches to prep the muscles before and after running.
Wear properly fitting running shors.
There are many injuries that you can sustain from running. It would depend on what type of injury you are trying to prevent and then you can narrow it down from there.
cross-training
You can find information on hip injuries and ways to avoid injuries at emedicinehealth.com. Many running injuries are caused by over use and improper footwear. Stretching before and after exercising can also prevent injuries. It is also a good idea to keep your body well hydrated.
Dynamic Stretching, or stretching through movement, prior to running is the best way to prevent injuries caused by running. A common routine should last about 3 to 5 minutes. It involves the brain more and improves flexibility.
It is important to prevent foot injuries from running. For this, first you must select the right footwear meant for running. Before the run, you must stretch your body and prepare for the exercise. Finally, after the run you must cool down before you begin your regular routine.
Running shoes are shoes specialized to try and provide comfort and prevent injuries while running. An example of something specific in a running shoe is for the sole of it to be arched to prevent your knees "caving in" which in the long run will make your technique better.
The treadmill stops when running because it has a safety feature that automatically stops the belt if the user falls or steps off the machine to prevent accidents or injuries.
I, personally, have am not a runner. But according to my research, knee injuries are very common among runners. There are many things you can do to prevent knee injuries while running, such as wearing a knee brace during your run and stretching before and after.
Emedicinehealth.com is a good place for information regarding running injuries. Injuries from running may include ankle sprains, turf toe, and a knee strain. Serious injuries from running are uncommon but a ruptured Achilles tendon or stress fracture can result.
Use of a seat belt is a way to prevent injuries in a collision.
There are several things that you should do to avoid knee injuries while running, such as wearing the right shoes, stretching before and after, cross training (doing more than running), eating right including vitamin supplements and, last but not least, do not overdo it. Start out easy and take it slow.