It may be responsible for some of those aches and pains that occur for no specific reason. These overuse injuries are often due to repeated pull or strain or irritation of one particular area. This is caused by bleeding into soft tissue after a direct blow, such as being hit by a baseball. The severity of the bruise usually relates to the force of the injury. Sprain Tearing of the fibres of a ligament.
Severity can vary from a minor tear of a few fibres to completely tearing the ligament.
Strain Tearing of the fibres of a muscle or tendon. This too can vary from a few fibres to a complete disruption. In most joints this involves a lot of force and may be associated with broken bones and torn ligaments. This may be a teacher, coach, or friend who is qualified to give first aid. Physiotherapist A physiotherapist is qualified to treat all musculoskeletal injuries.