such as those available commercially and by being removable from the arm 115 a user may practice defending different types of lacrosse sticks 120 or various users e g men women adults children may incorporate an appropriate lacrosse stick 120 and utilize the lacrosse training device 100 the arm 115 may include a flexible wrist 118 adjacent the distal end of the arm 115 the flexible wrist 118 may include a resilient material e g a spring rubber material etc that allows irregular three dimensional movement of the lacrosse stick 120 upon movement of the arm 115 by an actuator 150 described below means for selectively adjusting a length of the arm 115 may be included for example as shown in fig2 the arm 115 may include an outer member 131 an inner member 132 and a locking pin not shown the inner member 132 is inwardly adjacent the outer member 131 in a telescoping configuration the outer member 131 may define at least one adjustment hole 133 the inner member 132 may define at least one adjustment hole not shown and at least one of the outer member 131 and the inner member 132 defines a plurality of adjustment holes 133 the locking.