Walking drills are <u>low impact exercise</u>. (One foot is always on the ground)
<u>Wind sprints</u> burn(s) the most calories. (Constant switches from low to high intensity)
Sprinting drills are <u>high impact exercise</u> (Both feet are off ground at times)
<u>High impact exercise</u> can put a strain on the joints. (Weight of whole body impacts joints when landing)
During <u>low impact exercise</u>, one foot remains on the ground. (About half the weight of body impacts joints an there is more control)
<u>Wind sprints </u>can be a walking drill with a 20 second jog included in it. (Wind sprints are switching between lower and higher intensity exercises)
Jumping in place is a type of <u>high impact exercise</u>. (Whole body off ground)
<u>Low impact exercise</u> can be done on the floor. (Most of body weight is supported)
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Answer:
The birdie can only be hit once on each side of the net.
