Atheltics Weekly
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PERFORMANCE<br />
TECHNIQUE<br />
DISSECTING THE<br />
TRIPLE JUMP<br />
Kola Adedoyin:<br />
the technical and<br />
physical demands<br />
of the event<br />
should not be<br />
underestimated,<br />
he says<br />
SCIENTISTS SAY NO ATHLETE<br />
EMBODIES THE OLYMPIC MOTTO OF<br />
‘FASTER, HIGHER, STRONGER’ MORE<br />
THAN THE TRIPLE JUMPER. ENGLAND<br />
INTERNATIONAL KOLA ADEDOYIN<br />
EXPLAINS MORE<br />
PICTURES: MARK SHEARMAN<br />
F ALL athletics<br />
O<br />
events, the triple<br />
jump is widely<br />
acknowledged by<br />
sports scientists as one of the<br />
most physically demanding.<br />
Research at the University of<br />
Iowa a few years ago showed<br />
that, at the landing between the<br />
hop and step phases, the force<br />
exerted by a triple jumper on<br />
the ground can be the<br />
equivalent of up to 22 times<br />
their bodyweight – just about<br />
the highest measured force that<br />
a human limb is exposed to<br />
during any intentional activity.<br />
According to Dr Sam Allen,<br />
a lecturer in biomechanics at<br />
Loughborough University, that’s<br />
the equivalent of an athlete<br />
briefly weighing 1.7 tonnes,<br />
and having to stand on one<br />
leg at that time. Writing on the<br />
website theconversation.com<br />
last year, Dr Allen explained how<br />
published papers have proven<br />
triple jumpers develop unusually<br />
thick thigh and shin bones to<br />
enable them to withstand the<br />
force of the event.<br />
But the event is as<br />
technically demanding as it is<br />
physically and errors in posture<br />
or execution can cost an athlete<br />
dearly. “Physics dictates that<br />
the higher in the air an athlete<br />
travels, the further they will jump<br />
– provided they don’t sacrifice<br />
their speed,” said Dr Allen. “So,<br />
the athlete needs to carefully<br />
balance the speed and the<br />
height of their jump, in order to<br />
perform really well. Because of<br />
this, technique is an extremely<br />
important aspect of the triple<br />
jump.”<br />
Add the mental fortitude that<br />
is required to come down the<br />
track at 9.5-10.5 metres per<br />
second, then to take off and<br />
land on the same leg and it<br />
becomes evident that bravery<br />
is essential to take up this<br />
event. So what does it take to<br />
perfect the stages of this most<br />
challenging event?<br />
The run-up<br />
6 0 A T H L E T I C S W E E K L Y