- Darryl Kile was scheduled to pitch
against the Chicago Cubs on Sunday evening. But late
Friday or early Saturday morning he died!
Darryl Kile was an athlete. He was
an All-Star pitcher for the St. Louis Cardinals. He was
not supposed to die of a heart attack. But at the young
age of 33, fatty deposits had already blocked the
coronary arteries in his heart.
It is rare for someone as young as
Darryl Kile to have a heart attack; but heart disease is
increasing among Americans as young as 15.
But if heart problems are caught
early, a better diet and aerobic-exercise program can
Image Maryland Heart Transplant
- You are on a special
committee for the Babe Ruth League. Your
committee has developed a test that will be
given to all young people who are trying out
for a baseball or softball team. The test
involves jogging in place for two
- The only thing left to
do is to set the standard for
heart-rate-recovery-after-exercise. In other
words, the League needs a cut-off number so
that kids whose hearts are too weak can be
- Read Fundamentals
- What is a pulse?,
- Proposed Babe-Ruth-League Heart
Test. Work together
with a class of middle school students to determine how
quickly heart rates return to normal after moderate
Determine the average time for
heart rates to return to normal after exercise. Then,
decide where to set the cut-off.
- Officials from the Babe Ruth
League want to know the average time that it takes for
heart rates to return to normal after exercise and the
cut-off number that you have selected. Be sure to explain
why you have selected that particular cut-off
Prepare a postcard addressed to the
Babe Ruth League:
- Ronald Tellefsen,
Babe Ruth League, Inc.
Howard St. at Camden St.
- Include your return address in the
upper left-hand corner. In the body of the postcard,
- average resting heart rate
average exercise heart rate
average return to normal time
recommended cut-off time _______
This activity was developed
by the Event-Based Science Institute with generous
support from the Cal Ripken, Sr. Foundation. A
version of this
and all other baseball/biology activities is available
free from the Institute. This Heart Rate activity was
written by George T. Martin, a science teacher at T. W.
Pyle Middle School, Bethesda, MD.
© 2003-12 Event-Based Science Institute