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Old 03-04-2013, 12:40 AM   #8
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Join Date: Jun 2011
Posts: 2,250

^^^in that vid I can clearly see pronation. at trophy the hand is neutral but the upward thrust of the shoulder leads supination of the hand and rapid pronation through contact. Of course ESR/ISR is present as well.

typically 'pronation' in serve indicate not the pronated position of the hand but rotation of the hand toward the pronated hand position from neutral or supinated position.
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