| Sports Science and Medicine: ground reaction force |
A force exerted by the ground in response to the forces a body exerts on it. If the body is pushing down and forwards, the ground reaction force is up and backward; if the body pushes down and backward, the ground reaction force is up and forwards.
| 5min Related Video: ground reaction force |
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| Ground reaction force |
| GRF (disambiguation) |
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 | Sports Science and Medicine. The Oxford Dictionary of Sports Science & Medicine. Copyright © Michael Kent 1998, 2006, 2007. All rights reserved. Read more |
