NBA规则视图文解析：篮下防守犯规9例之1-3

篮下防守犯规（Defensive fouls in the post）
防守方膝盖顶人犯规（Post Defender uses knee）
篮下防守犯规之一：防守方抬腿，并用膝盖顶人，属防守犯规
Defensive Foul in the post, dislodging, defender uses knee

Commentary:
This is an example of a defensive foul for dislodging. A post defender may not dislodge, reroute or impede an offensive player. A defender may legally position his leg between the legs of an offensive player in the lower defensive box to maintain his position. However, once the defender's foot is lifted off the floor, dislodging his opponent, a foul shall be assessed. On this play, the post defender uses his knee to dislodge his opponent.
防守方撞人犯规（Post