Comparison of the Increment of Neuromuscular Parameters in Vegetarians and Non-vegetarians

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

64 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-02-20

Study Completion Date

2019-06-30

Brief Summary

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A strength training session promotes increased muscle sensitivity to protein synthesis, which lasts for 24 hours after its closure. Recent studies have shown that the subsequent intake to the training session of approximately 20g or 0.24g / kg of high-quality protein in the same meal induces a plateau in this synthesis. Thus, this study aims to compare the muscular strength between vegetarian and omnivorous athletes with adequate protein intake to reach this plateau. It will recruit 64 university sportsmen who have maintained vegetarian or omnivorous diet for at least 6 months, totalizing 32 individuals per group. After signing the Term of Consent, participants will be submitted to anthropometric and body composition assessment (via DEXA), neuromuscular tests \[(ie, muscle strength - 1RM, peak torque of knee extensors (JE), muscle thickness of JE and cohort analysis (ANCOVA) will be used in order to compare the results of the study, and to compare the results of the covariance analysis (ANCOVA). the levels of the neuromuscular parameters between the groups, considering the initial values of the force and the initial muscular thickness as covariables, the other parameters will be presented in the form of mean and standard deviation or median, the differences will be considered significant for values of p \<0, 05. Expected to find no differences in strength and muscle thickness between vegetarians and omnivores after adequate protein intake.

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Detailed Description

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Conditions

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Strength Training Dietary Proteins Muscle Strength Hypertrophy

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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vegetarian

Individuals who do not consume meat (vegetarian dietary pattern) will undergo strength training sessions and guidance on protein intake (at least 20g for breakfast, lunch, and dinner)

Group Type EXPERIMENTAL

Strength training

Intervention Type OTHER

24 strength training sessions, with approximately 1 hour duration, that will occur 2x/week

Protein intake

Intervention Type OTHER

Guidance on the adequacy of protein intake (at least 20g of protein in breakfast, lunch and dinner)

non vegetarian

Individuals who do consume meat (non vegetarian dietary pattern) will undergo strength training sessions and guidance on protein intake (at least 20g for breakfast, lunch, and dinner)

Group Type ACTIVE_COMPARATOR

Strength training

Intervention Type OTHER

24 strength training sessions, with approximately 1 hour duration, that will occur 2x/week

Protein intake

Intervention Type OTHER

Guidance on the adequacy of protein intake (at least 20g of protein in breakfast, lunch and dinner)

Interventions

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Strength training

24 strength training sessions, with approximately 1 hour duration, that will occur 2x/week

Intervention Type OTHER

Protein intake

Guidance on the adequacy of protein intake (at least 20g of protein in breakfast, lunch and dinner)

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Be over the age of 19 and under 60;
* Have BMI \<30 kg / m²;
* Be vegetarian or omnivorous for at least 6 months;
* Have not exercised regularly for at least 6 months.
* Be available to practice bodybuilding at School of Physical Education, Physiotherapy and Dance, 2x / week, for 3 months, free (times to combine).

Exclusion Criteria

* Be vegan, vegetarian lacto or vegetarian egg
* Be a carrier of chronic diseases;
* Present physical limitations or musculoskeletal problems, which contraindicate the performance of strength exercises;
* Failure to adhere to the proposed dietary modifications, relating to the adequacy of the portion of protein per meal, due to financial unfeasibility (low income condition);
* Use of protein or amino acid, caffeine or other thermogenic food supplements.

Minimum Eligible Age

19 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes