Soft-tissue injuries include bumps and bruises (contusions) and small tears of muscles (strains) or of ligaments and tendons near joints (sprains)—see also Overview of Sprains and Other Soft-Tissue Injuries Overview of Sprains and Other Soft-Tissue Injuries Sprains are tears in ligaments (tissues that connect one bone to another). Other soft-tissue injuries include tears in muscles (strains) and tears (ruptures) in tendons (tissues that connect... read more 
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Contusions, mild strains, and mild sprains cause mild to moderate pain and swelling. The swelling can become discolored, turning purple after a day and becoming yellow or brown days later. The person usually can continue using the body part. People with more severe symptoms, such as deformity, an inability to walk or use an injured part, or severe pain, may have a complete separation of bones that were attached within a joint (dislocation Overview of Dislocations A dislocation is complete separation of the bones that form a joint. In subluxation, the bones in a joint are partly out of position. Often, a dislocated joint remains dislocated until it is... read more ), partial separation of bones that were attached within a joint (subluxation), fracture Overview of Fractures A fracture is a crack or break in a bone. Most fractures result from force applied to a bone. Fractures usually result from injuries or overuse. The injured part hurts (especially when it is... read more , severe sprain Overview of Sprains and Other Soft-Tissue Injuries Sprains are tears in ligaments (tissues that connect one bone to another). Other soft-tissue injuries include tears in muscles (strains) and tears (ruptures) in tendons (tissues that connect... read more or strain, or other severe injury. People with severe symptoms usually need medical care to determine the nature of the injury.
First-Aid Treatment
Contusions, mild strains, and mild sprains can be treated at home with protection rest, ice, compression, and elevation (PRICE Initial treatment Sports injuries are common among athletes and other people who participate in sports. Certain injuries that are traditionally considered sports injuries can also occur in people who do not participate... read more 
), which speeds recovery and decreases pain and swelling. If a fracture, severe strain, severe sprain, subluxation (partial dislocation), or dislocation is a possibility, a splint should be applied until medical help is available.
