Keeping knees, shoulders and hips healthy involves athletes, parents, coaches and physicians. And it starts early.
Youth sports specialization has led to special problems.
There’s been a shift in youth sports. Whereas in the past kids tended to play different sports in different seasons, exercising different muscle groups and parts of their bodies, the trend today is for kids in competitive leagues to dedicate all of their athletic activity to one sport—soccer, baseball, lacrosse, hockey, basketball—year-round, practicing several times a week, using the same muscles.