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Journal of the International Society of Sports Nutrition

, 4:23

First Online: 04 December 2007Received: 11 July 2007Accepted: 04 December 2007

Abstract

BackgroundA randomized, double-blind, placebo-controlled study was performed to evaluate the effect of oral phosphatidylserine PS supplementation on golf performance in healthy young golfers with handicaps of 15–40.

MethodsPerceived stress, heart rate and the quality of the ball flight was evaluated before pre-test and after post-test 42 days of 200 mg per day PS n = 10 or placebo n = 10 intake in the form of a nutritional bar. Subjects teed-off 20 times aiming at a green 135 meters from the tee area.

ResultsPS supplementation significantly increased p < 0.05 the number of good ball flights mean: pre-test 8.3 ± 3.5, post-test 10.1 ± 3.0, whereas placebo intake mean: pre-test 7.8 ± 2.4, post-test 7.9 ± 3.6 had no effect. PS supplementation showed a trend towards improving perceived stress levels during teeing-off mean: pre-test 5.8 ± 2.0, post-test 4.0 ± 2.0, p = 0.07, whereas stress levels remained unchanged in the placebo group mean: pre-test: 5.1 ± 2.0, post-test: 5.1 ± 3.1. Supplementation did not influence mean heart rate in either group.

ConclusionIt is concluded that six weeks of PS supplementation shows a statistically not significant tendency p = 0.07 to improve perceived stress levels in golfers and significantly improves p < 0.05 the number of good ball flights during tee-off which might result in improved golf scores.

Electronic supplementary materialThe online version of this article doi:10.1186-1550-2783-4-23 contains supplementary material, which is available to authorized users.

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Autor: Ralf Jäger - Martin Purpura - Kurt-Reiner Geiss - Michael Weiß - Jochen Baumeister - Francesco Amatulli - Lars Schröder

Fuente: https://link.springer.com/



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