EFFECTS OF RESISTANCE TRAINING COMBINED WITH WHEY PROTEIN AND CARBOHYDRATES SUPPLEMENTATION ON BODY COMPOSITION AND STRENGTH IN YOUNG ADULT MEN

Jelena Obradović, Mila Vukadinović Jurišić, Dušan Rakonjac, Aleksandra Aleksić-Veljković, Maja Batez

DOI Number
https://doi.org/10.22190/FUPES180114040O
First page
451
Last page
462

Abstract


The purpose of this study was to determine the effects of whey protein vs carbohydrate supplementation during eight weeks of resistance training on body composition and strength in young adult men. Fifteen young adult men (age 21±5 years; body height: 178.63±4.1 cm; body mass 81.73 ± 4.97 kg) were randomly assigned to three groups: a whey protein group (WP; 1g/kg immediately after resistance training, n=5), a carbohydrates group (CHO; 30g during and 30g immediately after resistance training, n=5) or a control group (K; n=5) for 8 weeks of resistance training. All the participants were tested for each of the following body composition parameters: body mass (BM), fat free mass (FFM), fat mass (FM), glycogen mass (GM), muscle mass (MM), total body water (TBW), extracellular water (EW), intracellular water (IW). Also, the participants were assessed for muscle strength 1RM bench press, 1RM squat, 1RM shoulder press and maximum pull-ups. Data were analyzed with a two-way mixed model ANOVA (p<0.05). The results indicated that the WP group decreased FM, increased MM and had greater results for the 1RM squat than the CHO and K group (p<0.05). The CHO group improved their results for the 1RM bench press, 1RM squat and 1RM seated barbell press behind the neck and decreased FM more than the K group (p<0.05). In conclusion, young adult men who consumed whey protein during 8 weeks of resistance training achieved greater effects on body composition and strength than adult men who consumed carbohydrates supplementation during 8 weeks of resistance training or young adult men who trained 8 weeks without supplementation.


Keywords

sport nutrition, ergogenic acid, weight training

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References


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DOI: https://doi.org/10.22190/FUPES180114040O

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