古巴球訓練對青棒投手投球之影響
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(2) i. 2011. 6. : :. :. 10 16 (. :72.4 ± 8.1. :17.6 ± 0.9 ). :175.8 ± 7.4 (t-test). p <.05 (122.48 ± 13.83 122.73 ± 8.32km) (18.75 ± 12.46 12.50 ± 10.35%) (436.32 ± 45.77 439.48 45.44uV) (413.86 ± 95.93 419.83 ± 107.64uV) (404.96 ± 93.26 413.86 95.93uV) (417.40 106.92 419.83 ± 107.64uV). :. : ± ± ±.
(3) ii. The Effects of CubaBall Training on Pitching Performance of Junior Baseball Pitchers June, 2011. Graduate student: Chao-Hon Lin Advisor: Sandy Shen-Yu Hsieh ABSTRACT. Purpose: To investigate the effects of Cubaball training during 10 weeks on Taiwan junior baseball pitchers’ pitching speed, accuracy and muscle action potential. Methods: Subjects were 16 high school baseball pitchers. (age: 17.6±0.9 yr, height: 175.8±7.4 cm, weight: 72.4±8.1 kg). A random sample design was used for the experiment. Both Cubaball training group and normal pitching group were separated for 8 pitchers. The effect of treatment were evaluated using a paired sample t-test to compare. A p values of less than .05 were considered to be statistically significant. Result: Pitching speed: Cubaball (122.48±13.83km/hr), normal pitching (122.73±8.32 km/hr); pitching accuracy: Cubaball (18.75±12.46%), normal pitching (12.50±10.35%); Muscle action potential of extensor carpi radialis: Cubaball (436.32±45.77uV), normal pitching (439.48±45.44); Muscle action potential of flexor carpi radialis: Cubaball (413.86±95.93uV), normal pitching (419.83±107.64uV). Muscle action potential of flexor carpi radialis of Cubaball before and after (404.96±93.26 and 413.86±95.93uV), Muscle action potential of flexor carpi radialis of normal pitching before and after (417.40±106.92 and 419.83±107.64uV). Conclusion: The Effects of Cubaball training on pitching performance of junior baseball pitchers in Taiwan was no significantly different. But muscle action potential of flexor carpi radialis of Cubaball and normal pitching were significant different. Therefore, Cubaball training could enhance flexor carpi radialis muscle power. Key words : Cubaball, pitching speed, accuracy, electromyography.
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(29) 19. “drop and drive”. 150km. (. ”.
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(35) 25. (DIP). WV. Stoddam (2001) Matsuo (2001). (1996). 80.8%. 18.2%. 1%. 34.1%. 17.7%. 15.2%. 9.6%. 6.0%. 5.9%. :.
(36) 26. 1. WV. 2. 3 50°.
(37) 27. ( Pappas (1985) Tunay (2004). 0.03~0.04. Werner (1993). Donatelli (2000). Baltani.
(38) 28. 80°~100°. 80° ~100°. Wilk (1993) (MVIC) 56%. 50%. 99% 106% (MVIC).
(39) 29. (1993). (2000). 43%. Toyoshima (1974) 46.9%. 53.1%. (1982) 26%. 19.1%. 18.2%. 17.6%. 19.2%.
(40) 30. (2006). -300ms. +200ms. ( ( (2007). 2005.
(41) 31. (2006). 300ms. 200ms. 500ms. 500ms. (2000) (2000). (2006). Flesig (1994).
(42) 32. (2004) 10%. 10%. Flesig (1991). Werner (1993) (. ) (120% MVIC). 1.
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(48) 38. 16. 120km. 4. 120km. 4. 4. (yrs). 4. (cm). (kg). 17.6 ± 0.8. 176.2 ± 6.2. 73.4 ± 5.1. 17.8 ± 0.7. 177.4 ± 3.8. 70.2 ± 4.5.
(49) 39. 10. 10. 10 10. ( 1 (1). 50. 10. 50.
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(56) 46. SPSS (SPSSInc.,Chicago,IL,USA). for 0.05. Windows. 10.0.
(57) 47. : :Km/hr). 120.55 ± 13.19. 121.46 ± 7.66. t. p. -0.246. 0.813. (120.55 ± 13.19km/hr) (121.46 ± 7.66km/hr). :Km/hr). 122.48 ± 13.83. 122.73 ± 8.32. t. p. -0.043. 0.967. (122.48 ± 13.83km/hr) (122.73 ± 8.32km/hr).
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(59) 49. :%). 8.75 ± 8.34. 11.25 ± 8.34. t. p. -0.638. 0.516. (8.75 ± 8.34%). (11.25 ±. 8.34%) :%). 18.75 ± 12.46. 12.50 ± 10.35. t. p. 1.000. 0.351. (18.75 ± 12.46%). (12.50 ±. 10.35%) :%). 8.75 ± 8.34. 18.75 ± 12.46 (8.75 ± 8.34%). (18.75 ± 12.46%). t. p. -1.528. 0.170.
(60) 50. :%). 11.25 ± 8.34. 12.50 ± 10.35. t. p. -0.205. 0.844. (8.75 ± 8.34%). (18.75. ± 12.46%). : :uV) t. p. 432.21 ± 44.63 428.07 ± 42.34. 0.165. 0.874. 404.96 ± 93.26 417.40 ± 106.92. -0.216. 0.835. (432.21 ± 44.63uV) (404.96 ± 93.26uV). (428.07 ± 42.34uV).
(61) 51. (417.40 ± 106.92uV). :uV). p. t 436.32 ± 45.77 439.48 ± 45.44. -0.134. 0.897. 413.86 ± 95.93 419.83 ± 107.64. -0.101. 0.922. (436.32 ± 45.77uV) (413.86 ± 95.93uV). (439.48 ± 45.44uV). (419.83 ± 107.64uV). :uV) t. p. 432.21 ± 44.63 436.32 ± 45.77. -2.104. 0.073. 404.96 ± 93.26 413.86 ± 95.93. -3.828. 0.006. (432.21 ±44.63uV) (436.32 ± 45.77uV) (404.96 ± 93.26uV).
(62) 52. (413.86 ± 95.93uV). :uV). 428.07 ± 42.34. 439.48 ± 45.44. 417.40 ± 106.92 419.83 ± 107.64. t. p. -1.588. 0.156. -3.301. 0.013. (428.07 ± 42.34uV) (439.48 ± 45.44uV) (417.40 ± 106.92uV) (419.83 ± 107.64uV).
(63) 53. (2004) 5km/h.
(64) 54. 1999. 45°. :.
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(66) 56. (413.86 ± 95.93uV) (404.96 ± 93.26uV) (419.83 ± 107.64uV) (417.40 ± 106.92uV). 2uV. Dillman CJ(1990) 90°~100°. 9uV.
(67) 57. 90°. (. ). (. ). (2003) 54.
(68) 58. ). :. 90°( 90°. 90°. 90°. 90°. 90°.
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(70) 60. (2007) 2005. 88 43-50 (2004) 12 197-212 (2002). 10 83-92 (1996). (1999) 40-45. 1. Japan Journal of Sports Science. (1982) 79-84. Training Journal. (1999) December 12-15 (1999) Japanese Journal of Sports Sciene. 6(11) 71-76 Japan Journal of Sports. (1982) Science 1 85-90 (2006). 51 351-365.
(71) 61. (2004) 428~429. 7. 1969 32-46 (2003). 16(1) 13-25 (2006). 53 38-44 (2000) 12 (1997). 1 1-14 (1996). 40 89-103 2004. 8 12-26 (2000). 4(2) 116-124 (1990) 143-156 (1969). 35. 15 122.
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(74) 64. : : : : 100 : : 0983825880. 28. 30. 10 50 10. : :.
(75) 65. : : : 1982. 11. 17. :. (2009~2001) (2002~2009) (1998~2001) (1995~1998) : 1997 1999 2004 :. : 1995 1996 1997 2000 : 2001 2001 : 2003 2005 2008 2010 :. : JLPT : Aerobics & Fitness Association of America (2010 Remuch Energy. Inc (2011 ~) : 2010 AFAA 2010. ~).
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