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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611


VARGAS CORZO, M. C. et al. Benefits of Decumanum Phlebodium intake on the muscle damage in the response to intense physical exercise in sedentary subjects. Nutr. Hosp. [online]. 2014, vol.29, n.6, pp.1408-1418. ISSN 1699-5198.

Introduction: Intense physical exercise provoke muscle damage, that in sedentary people can increase cardiovascular risk. Phlebodium decumanum (PD) has shown to have immunomodulator effects in models of moderate-intense physical activities in well conditioned groups. To evaluate the PD effects during eccentric exercise, as a model of muscle inflammation protocol, on a sedentary population with cardiovascular risk. Methods: This is an experimental, double-blind, multigroup randomized study. Experimental Group 1 (n = 17) received PD, 9 dosis of 400 mg (total amount 3.6 g) every 8 hours during 3 days, and Control Group 2 (n = 16) received a placebo. All the subjects performed two treadmill ergoespirometry tests: first, a modified Bruce protocol to discard ischemic responses during exercise and to evaluate VO2max before the experimental phase; and second, with an eccentric protocol (14% descending ramp test) during 10 minutes in stable state at 70-80% VO2max, as experimental inflammatory protocol. We compared intra and inter groups to evaluate differences in the pre and post-test differences results on blood muscle damage variables. Results: The study shown statistically significant differences in all pre-post intra-groups results in muscle damage variables (CK, LDH and Myoglobin, but not in Cardiac Troponin), and in functional lower-limb test (SJ and CMJ). The comparison of inter-group results shown less muscle damage and less functional lower-limb deterioration in Group 1 compared with Control group, with statistical significance in both cases. Differences in hand grip dynamometry were no statistically significant. Conclusions: The eccentric exercise protocol in that study has proven to be a good model to induce muscle and functional damage in sedentary people. Short PD treatment has shown to reduce muscle and functional acute damages compared with placebo control group in this specific population.

Keywords : Phlebodium decumanum; Muscle damage; Sedentary population; Intense physical exercise.

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