Abstract: | For the publics, exercise can promote people’s health and improve their quality of life. For teenagers, exercises do not only help teenagers to glow up better, but also influence their potential health with increasing of their ages. Basketball is teenager’s most popular exercise, and also is qualified to help teenagers to grow up. Most basketball researches were related to the athletes’ physical fitness, skill, or when the tactical use of race-based. Less research was related to the basketball specialization. The purpose of this research was to study the health effects of basketball specialization by physical fitness. Five hundred and twenty people were selected in this cross-sectional, descriptive study by using a structured questionnaire. Four hundred and fifteen valid data were used to analyze as the results, the valid corresponding rate was 79.8 %. The surveys were conducted during the period of February to March 2011. The results of this study were the followings: 1. Most surveyed basketball players were assessed as the primary level of specializations; the percentage was 34.9%; 33.0%, 25.3% and 2.4% of the surveyed ones were graded as the new level, the middle level, and the highest level of specialization, separately. 2. The surveyed teenage players’ genders influence their basketball specialization, but were not influenced by their ages, heights or weights. 3. The higher degrees of the surveyed basketball players’ specializations were the better performances of their standing long jumps sit-ups exercises, cardiopulmonary fitness. 4. The relationship between the demographic data of surveyed teenage players and their physical fitness (1) The surveyed teenage players’ genders influenced their set and reach, standing long jumps, sit-ups exercises, and cardiopulmonary fitness. (2). The surveyed teenage players’ heights negatively influenced their set and reach. (3). The surveyed teenage players’ weights positively influenced their cardiopulmonary fitness. 5. The relationships between the surveyed basketball players’ specializations and their basketball participating motivations. (1) To improve physical health, to maintain good health condition, and to relax emotion were the top three graded basketball participating motivations. (2) There were parts of relationships between the surveyed basketball players’ specializations and their basketball participating motivations. 6. The relationships between the surveyed basketball players’ specializations and their basketball participating constraints. (1) No additional time, heavy school works, and lack of basketball skills were the top three graded basketball participating constraints. (2) There were relationships between the surveyed basketball players’ specializations and their basketball participating constraints. According to the results of this research, we can have enough reasons to suggest the related Governments to promote basketball to improve people’s health. |