What Actually Happens During a Knee Replacement:

30 Dec

Chances are, a relative or friend of yours has had a knee replacement. It is quite a common procedure, as 5% of adults over the age of 50 have at least one artificial knee.

By far the leading cause of knee replacements is osteoarthritis, which is degeneration of the cartilage in your knee joint. This leads to the bones of the knee directly rubbing on one another, causing intense pain. If non-surgical methods to decrease pain prove to be unsuccessful, an orthopedist may recommend a total knee replacement. Read More

What Usain Bolt and Cheetahs Have in Common:

15 Aug

Usain Bolt is quite literally the human version of a cheetah. What do they have in common? Their muscle composition.

Muscles are made of muscle fibers. Now, there are two types of muscle fibers: slow-twitch and fast-twitch. People who have a high number of slow-twitch fibers are good at activities that require endurance. A perfect example is a marathon runner. Those who have a high number of fast-twitch muscle fibers excel at activities that require a short, yet explosive burst of energy. Case in point- a sprinter. Read More

The NFL: Concussions and CTE

08 Feb

The hottest off the field topic in the NFL right now is arguably traumatic brain injury. From nonstop coverage on sports networks to box-office films such as “Concussion”, traumatic brain injuries are being brought to the attention of the public.

Concussions are caused by a strong collision between the brain and skull. Strong accelerational forces upon the head and neck cause the brain to slam against the inner surface of the skull. Read More