Poster 16: A Randomized Controlled Trial of Exercise to Improve Mood After Traumatic Brain Injury

Hoffman, Jeanne M.; Bell, Kathleen R.; Powell, Janet M.; Behr, James; Dunn, Erin C.; Bombardier, Charles H.

doi:10.1016/j.apmr.2008.08.119

Cited by 2 publications

(1 citation statement)

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“…In contrast, individuals for whom the appetitive effects are stronger than the aversive effects will maintain exercise participation and become regular exercisers. It has indeed been shown that regular exercisers report greater acute exercise-induced mood enhancement than non-exercisers (Gauvin, 1990; Hoffman and Hoffman, 2008). These positive mood experiences after exercise activities may be a positive reward and therefore an important component of the higher wellbeing reported by regular exercisers.…”

Section: Discussionmentioning

confidence: 99%

Regular Exercise, Subjective Wellbeing, and Internalizing Problems in Adolescence: Causality or Genetic Pleiotropy?

Bartels¹,

Moor²,

Aa³

et al. 2012

Front. Gene.

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This study tests in a genetically informative design whether exercise behavior causally influences subjective wellbeing (SWB) and internalizing problems (INT). If exercise causally influences SWB and INT, genetic and environmental factors influencing exercise behavior will also influence SWB and INT. Furthermore, within genetically identical (MZ) twin pairs, the twin who exercises more should also show higher levels of SWB and lower levels of INT, than the co-twin who exercises less, because genetic confounding is excluded. Data on these phenotypes were available in a sample of 6317 adolescent twins and 1180 non-twin-siblings. Most participants had longitudinal data with 2-year follow-up. Exercise behavior was cross-sectionally and longitudinally associated with fewer internalizing problems and increased SWB (correlations ranged from 0.12 to 0.16). Cross-sectional and longitudinal associations were mainly accounted for by genetic factors, whereas the contribution of environmental factors was negligible. Within MZ twin pairs, the twin who exercised more did not show fewer internalizing problems and increased SWB. This was found cross-sectionally and longitudinally. We conclude that exercise behavior is associated with fewer internalizing problems and higher levels of SWB. The association largely reflects the effects of common genetic factors on these traits.

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Section: Discussionmentioning

confidence: 99%