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Effects of nutrient timing following resistance‐exercise on changes in body composition in post‐menopausal women participating in weight loss program
Author(s) -
Byrd Mike,
Jung YP,
Lockard B,
Baetge C,
Levers K,
Galvan E,
Jagim A,
Simbo S,
Oliver JM,
Koozechian M,
Khanna D,
Dalton R,
Sanchez B,
Horrell K,
Leopold T,
Cho M,
Fluckey J,
Riechman S,
Greenwood M,
Hart J,
Shimkus K,
Gapinski W,
Perez M,
Bessire B,
Rasmussen C,
Kreider R
Publication year - 2013
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.27.1_supplement.lb335
Subject(s) - fat mass , medicine , resistance training , endocrinology , zoology , body weight , nutrient , physical therapy , chemistry , biology , organic chemistry
21 sedentary women (59.8±5 yr, 43.7±3% body fat, 31.0±3 kg/m2) followed Curves Complete® energy‐restricted diet (30% C, 45% P, and 25% F) while participating in a circuit resistance‐training (3 d/wk) and walking (30 min, 3/d wk) program for 12‐wks. Participants ingested a drink containing 15g of protein immediately following (I) or 2‐hr after (D) exercise as part of their diet. Data were analyzed by MANOVA and are presented as changes from baseline after 12 wks for the I and D groups, respectively. While significant time effects were seen in body mass, fat mass, and body fat; no significant group × time effects were observed. However, participants in the D group generally experience more favorable changes in body mass (I −3.6±2.2; D −4.2±4.2, kg, p=0.59), fat mass (I −3.5±1.5; D −4.8±3.3, kg, p=0.32), FFM (I −0.0±1.7; D 1.1±1.3, kg, p=0.24), and body fat (I −2.8±1.9; D −4.4±3.1 %, p=0.25). No differences were seen among groups in REE (I − 82±126; D −90±142 kcal/d, p=0.34). Additional research should examine whether nutrient timing affects training adaptations in post‐menopausal women who participate in an energy deficit higher protein and low fat diet with resistance‐exercise.