本研究之主要目的是在探討國內甲組網球選手之身高、體重與世界級網球選手差異，另外對血型、啟蒙年齡、慣用手等項目作分析、討論，本研究針對國內體育科系網球專長學生47人作問卷調查，經統計後所得結論如下： 一、國內選手平均身高為174.7公分，與世界前十傑選手平均身體184公分，相差約10公分。 二、國內選手平均體重為69.79公斤，與世界前十傑選手平均體重77.2公斤，相差約7.41公斤。 三、國內選手之血型分別為：O型18人佔38.29%，A型15人佔31.91%，B型14人佔29.78%，其中以O型人數最多。 四、國內選手平均啟蒙年齡，排名前十傑者為10.6歲，與世界級男子選手6歲，女子選手6.6歲，有段差距。 五、慣用手以右手持拍者佔87%，左手持拍者佔13%。

The aim of this research is to explore the stature difference of class-A tennis players between our nationals and foreigners. Similarly a series of analysis shown in the research include blood type, starting age to play tennis and habitual striking hand are discussed herein. The search takes forty-seven collegiate students from sports department as the subjects. The conclusions are as follows: 1. The average height of national tennis players is 174.7cm, while worldwide top-ten tennis players, 184cm, which is 10cm higher. 2. The average weight of national tennis players in 69,79kg, while world wide top-ten players, 77.2kg, which is 7.41kg heavier. 3. Among national players, blood type O (18 persons) occupies 38.29%; blood type A (15 persons) occupies 31.91%; blood type B (14 persons) occupies 29.78%. Blood type Os prevail. 4. As for starting age to play tennis, top-ten national tennis players, on average, start to play tennis at the age of 10.6 while worldwide top-ten male tennis players, at the age of 6; female tennis players, at the age of 6.6. 5. In all, 87% players use their right hands as forehand strike; 13% players use their left hands as forehand strike.