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A 4-week, lifestyle-integrated, home-based exercise training programme elicits improvements in physical function and lean mass in older men and women: a pilot study

Cegielski, Jessica; Brook, Matthew S.; Quinlan, Jonathan I.; Wilkinson, Daniel J.; Smith, Kenneth; Atherton, Philip J.; Phillips, Bethan E.

A 4-week, lifestyle-integrated, home-based exercise training programme elicits improvements in physical function and lean mass in older men and women: a pilot study Thumbnail


Authors

Jessica Cegielski

Matthew S. Brook

Jonathan I. Quinlan

KENNETH SMITH KEN.SMITH@NOTTINGHAM.AC.UK
Professor of Metabolic Mass Spectrometry

PHILIP ATHERTON philip.atherton@nottingham.ac.uk
Professor of Clinical, metabolic & Molecular Physiology

BETH PHILLIPS beth.phillips@nottingham.ac.uk
Professor of Translational Physiology



Abstract

Background: Developing alternative exercise programmes that can alleviate certain barriers to exercise such as psychological, environmental or socio-economical barriers, but provide similar physiological benefits e.g. increases in muscle mass and strength, is of grave importance. This pilot study aimed to assess the efficacy of an unsupervised, 4-week, whole-body home-based exercise training (HBET) programme, incorporated into daily living activities, on skeletal muscle mass, power and strength.
Methods: Twelve healthy older volunteers (63±3 years, 7 men: 5 women, BMI: 29±1 kg/m²) carried out the 4-week “lifestyle-integrated” HBET of 8 exercises, 3x12 repetitions each, every day. Before and after HBET, a number of physical function tests were carried out: unilateral leg extension 1-RM (one- repetition maximum), MVC (maximal voluntary contraction) leg extension, lower leg muscle power (via Nottingham Power Rig), handgrip strength and SPPBT (short physical performance battery test). A D3-Creatine method was used for assessment of whole-body skeletal muscle mass, and ultrasound was used to measure the quadriceps cross-sectional area (CSA) and vastus lateralis muscle thickness.
Results: Four weeks HBET elicited significant (p less than 0.05) improvements in leg muscle power (276.7±38.5 vs. 323.4±43.4 W), maximal voluntary contraction (60°: 154.2±18.4 vs. 168.8±15.2 Nm, 90°: 152.1±10.5 vs. 159.1±11.4 Nm) and quadriceps CSA (57.5±5.4 vs. 59.0±5.3 cm2), with a trend for an increase in leg strength (1-RM: 45.7±5.9 vs. 49.6±6.0 kg, P=0.08). This was despite there being no significant differences in whole-body skeletal muscle mass, as assessed via D3-Creatine.
Conclusions: This study demonstrates that increases in multiple aspects of muscle function can be achieved in older adults with just 4-weeks of “lifestyle-integrated” HBET, with a cost-effective means. This training mode may prove to be a beneficial alternative for maintaining and/or improving muscle mass and function in older adults.

Journal Article Type Article
Acceptance Date Jul 26, 2017
Online Publication Date Sep 11, 2017
Publication Date Sep 11, 2017
Deposit Date Dec 11, 2018
Publicly Available Date Dec 11, 2018
Journal F1000Research
Print ISSN 2046-1402
Electronic ISSN 2046-1402
Publisher F1000Research
Peer Reviewed Peer Reviewed
DOI https://doi.org/10.12688/f1000research.11894.2
Public URL https://nottingham-repository.worktribe.com/output/1220909
Publisher URL https://f1000research.com/articles/6-1235/v2

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A 4-week, lifestyle-integrated, home-based exercise training programme elicits improvements in physical function and lean mass in older men and women: a pilot study [version 2; referees: 2 approved] (977 Kb)
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/

Version
version 2





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