Sometimes injuries occur over a period of time because of overuse, sometimes because of an acute episode, such as mishandling a very heavy weight.
Terms: contusion (bruise); laceration (cut)
An avulsion fracture is when a small piece of bone is pulled off and left attached to the end of the tendon.
First-aid principles: rest (to promote healing), elevation (to aid blood flow out of the injured area), ice packs (to cause vasoconstriction—a decrease in the diameter of the blood vessels—and reduce hemorrhaging), compression (again, to reduce hemorrhaging and swelling), and immobilization (to prevent further injury)
The common black-and-blue mark is a local hemorrhage into the skin and subcutaneous tissue from the rupture of minor vessels (capillaries), probably the result of a direct blow.
Compression in the form of a pressure dressing is also useful in limiting the amount of bleeding into the tissues of an injured extremity.
An ounce of prevention is worth a pound of cure.
Warming up pumps blood and oxygen to the area and literally raises the temperature of the muscles involved, allowing them to contract with greater force.
The best way to avoid training injuries is by taking care to stretch and warm up before working out and by observing proper technique when training with heavy weights.
Ligaments are tough, fibrous bands which connect two bones. They help to stabilize the joint and prevent abnormal joint motion
When joints are no longer in normal relationship to one another.