Final answer:
Dislocation is the complete separation of a joint, causing the bones to become displaced or misaligned. This type of injury can result in pain, swelling, and restricted movement.
Step-by-step explanation:
The complete separation of a joint is known as dislocation, which is a type of injury. A dislocation occurs when the bones that normally form a joint become displaced or misaligned. This can cause severe pain, swelling, and loss of movement in the affected joint. For example, a common type of dislocation is a shoulder dislocation, where the upper arm bone comes out of its socket in the shoulder joint.