A knee bruise may also trigger other symptoms such as ... difficulty extending the leg a deformed appearance due to broken pieces of bone If a person has a sprain or kneecap fracture, severe ...

Mechanical problems in your knee or the surrounding joints and muscles can also lead to knee pain. Some of the most common include: loose bone or cartilage, hip or foot pain, or iliotibial band ...

What is a broken bone? A broken bone and a fracture are the same thing. The bone could be cracked, snapped, crushed or broken into a few pieces. No matter how the bone is broken, the first aid steps ...