Spring washers, sometimes called disc springs, are a subtype of washers. They lend their mechanical capabilities to the unique profile of the material: when subject to a load, the irregularities of the washer compress with a proportionate resistance to return to their predeflected shape.
You should never stretch a pulled muscle to the point of pain or you risk re-injuring it. Do not overstretch the pulled muscles. Too much stretching can retear injured muscle fibers. Gently stretching a pulled muscle may relax the surrounding muscle fibers, which may be tight in response to the injury.
Most tendon injuries occur near joints, such as the shoulder, elbow, knee, and ankle. A tendon injury may seem to happen suddenly, but usually it is the result of many tiny tears to the tendon that have happened over time. Doctors may use different terms to describe a tendon injury. You may hear: 1  Tendinitis.n most cases, you can treat a tendon injury at home. To get the best results, start these steps right away: 1  Rest the painful area, and avoid any activity that makes the pain worse. 2  Apply ice or cold packs for 10 to 15 minutes at a time, as often as 2 times an hour, for the first 72 hours.