a26-t2Principles Pre PHV (n=10) Age PHV (n=19) Post PHV (n=19) F P M±SD M±SD M±SD Offensive Penetration 1.90±1.44 1.94±1.50 3.84±3.13b 3.99 0.02 Offensive Coverage 5.70±2.16 7.36±3.71 9.36±4.17a 3.51 0.03 Depth Mobility 2.10±1.52 1.89±2.02 2.57±2.34 0.53 0.58 Width and Length 14.60±6.46 12.36±6.92 12.31±4.21 0.58 0.56 Offensive Unity 4.00±2.35 7.42±3.43 8.42±4.82a 4.33 0.01 Defensive Delay 6.30±3.05 9.31±3.98 8.21±3.35 2.34 0.10 Defensive Coverage* 1.10±1.10 1.36±1.77 1.94±1.43 0.31 0.73 Balance 6.50±2.32 7.31±3.98 8.57±3.13 1.39 0.25 Concentration 3.20±2.14 5.68±3.52 7.10±3.75a 4.33 0.01 Defensive Unity 12.80±3.79 14.00±5.15 14.84±6.22 0.31 0.73