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Collagen peptide supplementation in combination with resistance training improves body composition and increases muscle strength in elderly sarcopenic men: a randomised controlled trial.
- Source :
- British Journal of Nutrition; 10/28/2015, Vol. 114 Issue 8, p1237-1245, 9p
- Publication Year :
- 2015
-
Abstract
- Protein supplementation in combination with resistance training may increase muscle mass and muscle strength in elderly subjects. The objective of this study was to assess the influence of post-exercise protein supplementation with collagen peptides v. placebo on muscle mass and muscle function following resistance training in elderly subjects with sarcopenia. A total of fifty-three male subjects (72·2 (sd 4·68) years) with sarcopenia (class I or II) completed this randomised double-blind placebo-controlled study. All the participants underwent a 12-week guided resistance training programme (three sessions per week) and were supplemented with either collagen peptides (treatment group (TG)) (15 g/d) or silica as placebo (placebo group (PG)). Fat-free mass (FFM), fat mass (FM) and bone mass (BM) were measured before and after the intervention using dual-energy X-ray absorptiometry. Isokinetic quadriceps strength (IQS) of the right leg was determined and sensory motor control (SMC) was investigated by a standardised one-leg stabilisation test. Following the training programme, all the subjects showed significantly higher (P<0·01) levels for FFM, BM, IQS and SMC with significantly lower (P<0·01) levels for FM. The effect was significantly more pronounced in subjects receiving collagen peptides: FFM (TG +4·2 (sd 2·31) kg/PG +2·9 (sd 1·84) kg; P<0·05); IQS (TG +16·5 (sd 12·9) Nm/PG +7·3 (sd 13·2) Nm; P<0·05); and FM (TG –5·4 (sd 3·17) kg/PG –3·5 (sd 2·16) kg; P<0·05). Our data demonstrate that compared with placebo, collagen peptide supplementation in combination with resistance training further improved body composition by increasing FFM, muscle strength and the loss in FM. [ABSTRACT FROM AUTHOR]
- Subjects :
- QUADRICEPS muscle physiology
ANALYSIS of variance
BODY composition
COLLAGEN
COMBINED modality therapy
STATISTICAL correlation
DIETARY supplements
EXERCISE tests
INGESTION
MUSCLE contraction
MUSCLE strength
PLACEBOS
T-test (Statistics)
QUADRICEPS muscle
BONE density
RANDOMIZED controlled trials
REPEATED measures design
BLIND experiment
SARCOPENIA
LEAN body mass
DATA analysis software
DESCRIPTIVE statistics
PHOTON absorptiometry
RESISTANCE training
THERAPEUTICS
Subjects
Details
- Language :
- English
- ISSN :
- 00071145
- Volume :
- 114
- Issue :
- 8
- Database :
- Complementary Index
- Journal :
- British Journal of Nutrition
- Publication Type :
- Academic Journal
- Accession number :
- 110356935
- Full Text :
- https://doi.org/10.1017/S0007114515002810