There are several types of malfunctions that can occur in the muscle
system. Muscular dystrophy is a disease trhat breaks down the muscles. Although, it's mostly common in boys, it can be found
in girls. Osgood-Schlatter disease is a disease where a bone becomes inflammed because of either the cartilage or tendon
at the top of the shin becomes inflammed. It occurs where the shin attaches to the knee cap which causes this disease to be
very painful. Tendonitis is a disorder where tendon's become inflammed. This is a very common sports injury and it occurs
when a tendon is over excercised. It
can be treated with physical therapy and stretching.