Assertion: discus | /r/HasProperty | pulled after left foot hits
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Source sentences:
text: The natural reaction of beginners is to lead the body's rotation with the discus, so the shoulders are always parallel to the hips, instead of staying "wound up" with the shoulders trailing the hips, so that when the left foot hits, the discus is facing 12 o'clock and the throw (the distance the discus will be pulled after the left foot hits) will only cover 180 degrees or half a circle instead of a minimum 3/4-of-a-circle up to a full circle pull achieved by keeping the discus back over the right hip.