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This study evaluates the effect of different types of diets (high and normal protein) on lean and fat mass, and strength in postmenopausal women practitioners of resistance exercise. Two groups will be created: high protein (1.2 protein g/body mass/day) and normal protein (0.8 protein g/body mass/day). The same training will be performed for both groups.
Both groups will undergo the same training protocol, differing only on the protein content of the diet. The dietary assessment will be made through the 24-hour food recall, being conducted at the beginning, middle and end of the intervention. Resistance exercises for upper and lower limbs will be performed, at 70% of one repetition maximum. SPPB, tug, 6-minutes and 400 meters will be performed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| High protein diet (HP) | Experimental | Diet with 1.2 protein g/kg body mass/day for postmenopausal women practitioners of resistance exercise. The physical strength training will be performed equally by both groups |
|
| Normal protein diet (NP) | Placebo Comparator | Diet with 0.8 protein g/kg body mass/day for postmenopausal women practitioners of resistance exercise. The physical strength training will be performed equally by both groups |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| High protein | Other | To observe the effect of a high protein (HP) diet over muscle mass, fat mass, and strength changes, focusing in differences between the NP and HP groups. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Changes in the lean mass of postmenopausal women practicing strength exercise | Before and immediately after the intervention (initial moment and 10 weeks after start of the intervention) |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in the fat mass of postmenopausal women practicing strength exercise | Before and immediately after the intervention (initial moment and 10 weeks after start of the intervention) | |
| Changes on strength of postmenopausal women practicing strength exercise |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Erick P de Oliveira, PhD | Federal University of Uberlandia | Principal Investigator |
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 31200437 | Derived | Nahas PC, Rossato LT, Martins FM, Souza AP, de Branco FMS, Carneiro MAS, Teixeira KRC, Orsatti FL, de Oliveira EP. Moderate Increase in Protein Intake Promotes a Small Additional Improvement in Functional Capacity, But Not in Muscle Strength and Lean Mass Quality, in Postmenopausal Women Following Resistance Exercise: A Randomized Clinical Trial. Nutrients. 2019 Jun 13;11(6):1323. doi: 10.3390/nu11061323. | |
| 28895933 |
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| ID | Term |
|---|---|
| D055948 | Sarcopenia |
| ID | Term |
|---|---|
| D009133 | Muscular Atrophy |
| D020879 | Neuromuscular Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
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| Normal protein | Other | To observe the effect of a normal protein (NP) diet over muscle mass, fat mass, and strength changes |
|
| Training | Other | The physical strength training will be performed equally by both groups, containing exercises for upper and lower limbs and aiming for hypertrophy. |
|
| Before and immediately after the intervention (initial moment and 10 weeks after start of the intervention) |
| Derived |
| Rossato LT, Nahas PC, de Branco FMS, Martins FM, Souza AP, Carneiro MAS, Orsatti FL, de Oliveira EP. Higher Protein Intake Does Not Improve Lean Mass Gain When Compared with RDA Recommendation in Postmenopausal Women Following Resistance Exercise Protocol: A Randomized Clinical Trial. Nutrients. 2017 Sep 12;9(9):1007. doi: 10.3390/nu9091007. |
| D001284 | Atrophy |
| D020763 | Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D012816 | Signs and Symptoms |