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.
Best Answer: There are two answers here, it depends on the severity of the injury. If the tendon has been completely severed, a short, minimally invasive surgical procedure is necessary. Tendons are under tension, similar to rubber bands in the body. When severed, the two ends will pull away from each other the same way they would if you put a rubber band under stress and cut one side with a pair of scissors. In surgery, an incision is made to expose the area from tendon nub to tendon nub.