Sprint relay
The aim of the 100 metre sprint relay is, with the 
assistance of        four athletes, to carry a baton (30 cm long, 13 cm 
in circumference and no less        than 50grms in weight) around 400 
metres as quickly as possible.
Baton exchange
The
 rules of relay competition require the baton to be exchanged        
within a 20 metres changeover zone. So that the outgoing runner can 
achieve        maximum acceleration at baton exchange the athlete can 
commence his/her run 10        metres before the changeover zone. The 
baton exchange should occur 5 metres        before the end of the 
changeover zone. Because of this, each athlete has to        sprint more
 than 100 metres:
Upsweep
The receiving hand is placed 
with the palm facing down and a wide        angle between the thumb and 
the rest of the fingers. The incoming athlete        passes the baton in
 an upward movement into the receiving hand. The advantage        of 
this method is that this is a normal position for the receiving hand. A 
       disadvantage is that it will require some manipulation of the 
baton in the hand        to make the next exchange safely.
Downsweep
The
 receiving hand is placed with palm facing up and a wide angle        
between the thumb and the rest of the fingers. The incoming athlete 
passes the        baton in a downward movement into the receiving hand. 
The advantage of this        method is that it will require no 
manipulation of the baton to safely make the        next baton exchange.
 A disadvantage is that it is not a natural position of the        
outgoing athlete's hand to receive the baton.
 Push pass 
A
 Push pass is where the outgoing athlete (outgoing) athlete’s hand is 
held facing palm forward (vertical) and the baton is pushed into the 
hand in a forward motion by the incoming athlete. Generally requires the
 outgoing athlete to have their arm out to the side thereby losing
 free space. Most commonly used by senior athlete apparently because of
 upper body muscle mass prohibiting them stretching their arm backward
 Question
1)What are the responsibilities of the incoming and outgoing runner during the sprint relay?
a) Describe the upsweep technique?
b) How many metres does the baton travel during the 4*100m relay?
 
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