Journal article
Studies of Twin Responses to Understand Exercise Therapy (STRUETH): Body Composition
HJ Thomas, CE Marsh, BA Maslen, KJ Scurrah, LH Naylor, DJ Green
Medicine and Science in Sports and Exercise | LIPPINCOTT WILLIAMS & WILKINS | Published : 2021
Abstract
Purpose We studied individual variability in exercise responses in twins. We hypothesized that 1) endurance (END) training would reduce fat mass whereas resistance (RES) training would increase lean mass, 2) individuals who did not respond to one modality would respond to the other, and 3) cross-sectional heritability estimates would be higher than estimates based on training responses. Methods DXA was undertaken in 84 same-sex untrained twins (30 monozygotic [MZ], 12 dizygotic [DZ]). Participants underwent 3 months of END and RES training, separated by 3 months washout. Twins trained in pairs. Results RES (P < 0.001) and END (P = 0.002) increased lean mass, with a greater change in RES (P <..
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Awarded by National Health and Medical Research Council
Funding Acknowledgements
D. G. is supported by an NHMRC Principal Research Fellowship (APP1080914). This research was facilitated through access to Twins Research Australia, a national resource. K. S. and Twins Research Australia are supported by a Centre of Research Excellence Grant (ID: 1079102), fromthe National Health andMedical Research Council, Exercise and Sport Science Australia, Clinical Exercise Physiology Research Grant.