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.
1 âThen it gets a jolt of tension when you put weight on it.â Before hopping out of bed, wrap a towel or a T-shirt around your feet and pull the toes back to stretch the tendons. 2  Reduce swelling. 3  Fill a plastic bottle with water, freeze it, and roll it under your foot for a few minutes to soothe the pain.