Before revision: On the one hand, proponents such as Jeanne Dopbrak , a sports medicine physician at the University of Pittsburgh Medical Center, contend that "[a child athlete's] immature skeleton just isn't ready to handle the day-to-day stresses that will occur", and that the stresses imposed on only partly developed muscular/skeletal system by gymnastics are almost certain to cause damage that would persist into adulthood.
After revision: On the one hand, proponents such as Jeanne Doperak , a sports medicine physician at the University of Pittsburgh Medical Center, contend that "[a child athlete's] immature skeleton just isn't ready to handle the day-to-day stresses that will occur", and that the stresses imposed on only partly developed muscular/skeletal system by gymnastics are almost certain to cause damage that would persist into adulthood.