← Chapters 5 and 7 Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All assertive movement moving with confidence to the ball or into position to play the ball supportive movement movement by players who are not directly involved in playing the ball movement zones levels of movement; i.e., airborne, high, medium, low ready position a position from which a variety of body movement possibilities can be executed quickly forward movement movement toward the ball in a forward direction lateral movement movement to the side to keep the midline of the body directly behind the ball when contacted body line the ball should be contacted in this line; its position would divide the player's body so that half would appear to the right of it and half to the left balancing the court zones between players are divided by size of available space and according to the weakness within the zone seam an area where there is weakness or no coverage overset setting the ball to the opponents' side of the net primary points of contact those points on the hands that provide guidance for a set foot plant placing the feet at takeoff during an attack secondary points of contact those points on the hands that provide guidance for a set high-speed attack speed of the hit is about 0.3 s medium-speed attack speed of the hit is between 0.4 to 0.7 s slow-speed attack speed of hit is between 0.8 and 1.4 s range of effectiveness a four-foot radius extending fron the player's ready position emergency technique a skill used to get the ball up and keep it in play for the team hang time the length of time a player spends in the air when jumping approach and takeoff used in the spike and performed in the high movement zone jump and contact used in the spike and performed in the high movement zone drifting the act of moving the body laterally rather than vertically at takeoff in spiking single, double, triple block the team's first line of offense, using one, two, or three players to confront the ball after is has been attacked attack block a block used to angle the ball down onto the opponents' side of the court after it is contacted by the attacker and to score points control block a block generally used by a shorter player who had a limited vertical jump or a specific strategy maneuver to enhance a balanced attack opportunity multiple blocks blocks that include two or three teammates; double or triple blocks commit block plan in advance to block a predetermined hitter roofing the ball on sets close to the net, the ball is covered completely by the blocker