Quick fact. Ready? Fast twitch muscle fibres are actually larger in size than slow twitch muscle fibres. This is why athletes who are involved in more power producing movements; such as sprinters or discus throwers; have more muscle surface area than a endurance athletes, such as marathon runners.

Quick fact. Ready? Osteoarthritis is most often caused by the wearing down of the protective hyaline cartilage that lines the intersection between two bones. This can occur over time as one gets older.

Unfortionatly , this protective lining is unable to grow back, for it does not receive a direct blood supply. Thus, the main form of treatment for Osteoarthritis is the management of pain and prevention of further decay.

Quick fact. Ready? Larger muscle groups, like the wonderful Gluteus Maximus, have thousands more motor units than smaller muscle groups, such as the muscles controlling eye movement. This contributes to how we are able to produce such astounding force with the contraction of our glutes. It's amazing really, how our bodies are designed.