ACL stands for anterior cruciate ligament while PCL stands for posterior cruciate ligament. These two ligaments form basis of the stability in the knee.

Explanation and Causes:
A hip fracture is a fracture on the upper part of the femur that leads into the pelvic bone. Two parts of the femur can break to constitute a hip fracture. One can happen in the neck of the femur just below the rounded head of the bone that [...]

Fibromyositis, fibrositis, periarticular fibrositis, chronic muscle pain syndrome, muscular rheumatism, myofascial pain syndrome

Explanation and Causes:
A dislocated shoulder is defined by the bone of the upper arm sliding out of the socket of the shoulder bone. For this to happen tendons and ligaments are stretched and strained causing severe pain. Damaged tissue surrounding the shoulder joint usually accompanies a dislocated shoulder. Because [...]

a.k.a. Hyperextension, cervical strain or cervical sprain.
Explanation and Causes:
Whiplash occurs when the soft tissue in the neck, such as cervical muscles, nerves, ligaments and intervertebral discs are damaged by a whipping motion of the neck or some sort of sudden jerking motion. This can be cause by an automobile accident with [...]