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.
First you need to know WHY your tendon tore. It's not why you think. Maybe you haven't had an MRI of your tendon yet so you don't know for-sure-if you have tendon tear. I'll tell you what your options are, in the sense of partial tear or full tear. Then you'll learn what your ruptured tendon treatment options are.ut focusing on the tendon is FOCUSING ON THE WRONG PROBLEM. Sports don't cause tendons to tear. Tendons get 'weak' for a reason. NOTE! If you have Levaquin Tendonitis, then your tendon really WAS weak, because of the cytotoxic effects that killed off your tendon cells and caused it to literally fall apart.