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.
How to Treat a Muscle Pull A muscle pull occurs when a muscle is stretched beyond its capability and some muscle fibers tear. Muscle pulls range from mild... How to Treat a Strained Muscle When you stretch a muscle too far, it can become strained. The area swells and feels painful even when you're not using... How to Rehababilitate a Pulled Quad Muscle The quads, or the quadriceps femoris muscles, are the four muscles that make up the front of the thighs.