无球阻挡犯规 Impeding Progress

无球阻挡防守犯规之一：守方球员用身体碰撞阻碍切入球员前进路线（致其倒地）构成防守犯规。

Impeding Progress, defender chucks offensive cutter

Commentary:

This is an example of a defensive foul for impeding progress. A defensive player may not dislodge, reroute or impede an offensive player's progress. On this play, the highlighted defensive player body checks the cutting offensive player, impeding the cutter's progress.

无球阻挡防守犯规之二：守方球员用手臂干扰阻碍切入球员前进路线构成防守犯规

Impeding Progress, defender impedes the offensive cutter

Commentary:

This is an example of a defensive foul for impeding progress. A defensive player may not dislodge, reroute or impede an offensive player's progress. On this play, the highlighted defensive player extends his arm across his opponent's body, impeding his opponent's progress as he cuts toward the baseline.

无球阻挡防守犯规之三：守方球员用手搂抱阻碍攻方掩护球员移动（致其倒地）构成防守犯规

Impeding Progress, defender wraps his arm around offensive screener's waist

Commentary:

This is an example of a defensive foul for impeding progress. A defensive player may not dislodge, reroute or impede an offensive player's progress. On this play, the highlighted defensive player wraps his arm around his opponent's body, impeding his opponent's progress as his opponent cuts toward the baseline.

无球阻挡防守犯规之四：守方球员用拉扯攻方球员衣服而影响其切入动作构成防守犯规

Impeding Progress, defender grabs screener's shirt after screen is set

Commentary:

This is an example of a defensive foul for impeding progress. A defensive player may not reroute or impede an offensive player's progress. The highlighted defensive player in the black uniform will illegally reach back and grab his opponent's shirt as that offensive player attempts to cut to the basket. This is a defensive foul for illegal contact as the offensive player's freedom of movement is clearly affected.