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March 27, 2009

Closing in drill






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Lee Couillard, USPTA, Head Tennis Professional, Punahou School, Honolulu, Hawaii shows a great "High - Low Ball" doubles drill to get your students to "Close" into the net. Many players never realize when to sprint into the net and pick off a volley. This drill makes the students aware of when they should close in and attack.

March 24, 2009

Paul Wardlawʻs Directionals






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Lee Couillard, USPTA, Head Tennis Professional, Punahou School, Honolulu, Hawaii shows a concept using rules from Paul Wardlawʻs Directionals. There is no one "cookie-cutter" strategy that works for all players, however, cutting down your unforced errors and playing "smarter" tennis will help. Here in this video we show a simple strategy of keeping the ball crosscourt when you are pulled wide and never changing direction unless you can hurt your opponent. Paul Wardlawʻs Directionals are a must for all tennis coaches.

March 20, 2009

Classic vs Current Slice






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Lee Couillard, USPTA, Head Pro, Punahou School shows a comparison of the Classic vs Current backhand slice in todayʻs game.

March 13, 2009

Kids warm-up






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Lee Couillard, USPTA, Head Pro, Punahou School shows a couple of warm-up exercises using dynamic and static stretching.

Performance may be improved, as an appropriate warm up will result in an:

* Increased speed of contraction and relaxation of warmed muscles
* Dynamic exercises reduce muscle stiffness
* Greater economy of movement because of lowered viscous resistance within warmed muscles
* Facilitated oxygen utilization by warmed muscles because hemoglobin releases oxygen more readily at higher muscle temperatures
* Facilitated nerve transmission and muscle metabolism at higher temperatures; a specific warm up can facilitate motor unit recruitment required in subsequent all out activity
* Increased blood flow through active tissues as local vascular beds dilate, increasing metabolism and muscle temperatures
* Allows the heart rate get to a workable rate for beginning exercise
* Mentally focused on the training or competition

References:

*Todd Ellenbecker, DPT, MS, SCS, OCS, CSCS, USPTA
* Medicine & Science in Sport and Exercise 33(3), pp354-358 (Dynamic v Passive stretching)
* Journal of Strength and Conditioning Research, vol 15 (1): 98-101 (Dynamic v Passive stretching)
* Burkett LN, Phillips WT, ZiuratisJ. The best warm-up for the vertical jump in college-age athletic men'. Journal of Strength and Conditioning Research. 2005; 19:673-676
* Fletcher IM, Jones B. 'The effect of different warm-up stretch protocols on 20m sprint performance in trained rugby union players'. Journal of Strength and Conditioning Research. 2004; 18: 885-888
* Little T, Williams A.'Effects of differential stretching protocols during warm-ups on high speed motor capacities in professional soccer players'. Journal of Strength and Conditioning Research. 2006;20(1)203-207. Atler MJ. 'Science of Flexibility'. Human Kinetics 2004
* McMillian DJ, Moore, et al. 'Dynamic vs. Static stretching warm-up: the effect on power and agility performance'. Journal of Strength and Conditioning Research. 2006; 20 (3):492-499
* Stewart D, Macalus A and De Vito G. The effect of an active warm-up on surface EMG and muscle performance in healthy humans'. European Journal of Applied Physiology. 2003; 89:509-513
* Winchester JB, Nelson AG et al. 'Static stretching impairs sprint performance in collegiate track and field athletes'. Journal of Strength and Conditioning Research. 2008; 22(1): 13-18
* Young WB, Behm DG. 'Effects of running, static stretching and practice jumps on explosive force production and jumping performance'. Journal of Sports Medicine and Physical Fitness. 2003; 43: 21-27
* Yamaguchi T, Ishi, K et al. 'Acute effects of dynamic stretching exercise on power output during concentric dynamic constant external resistance leg extension'. Journal of Strength and Conditioning Research. 2007; 21(4): 1238-1244
* Yamaguchi T, Ishi K. 'Effects of static stretching for 30 seconds and dynamic stretching on leg extension power'. Journal of Strength and Conditioning Research. 2005 ,19(3): 677-683. Lange



March 2, 2009

Visualize a 180






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Lee Couillard, USPTA, Head Tennis Professional, Punahou School, Honolulu Hawaii shows an elite movement of angular momentum that produces a 180 degree turn in the legs, hips and shoulders. Everyone possesses the ability to use angular momentum, however, your muscular strength and your optimal trunk rotation determines the amount of force you can generate, regardless of what stance you are using. You must emphasize the importance of the legs when attempting this advanced maneuver.