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Published Online:https://doi.org/10.1026/0943-8149/a000065

Zusammenfassung. Wir untersuchten die Wirkung eines gesundheitsorientierten Krafttrainings auf verschiedene Aspekte des psychischen Wohlbefindens für einen Zeitraum von 3 (t1) und 6 Monaten (t2). N = 531 Teilnehmer führten 6 Mal monatlich ein präventives (PKT, n = 317) oder medizinisches gesundheitsorientiertes Krafttraining (MKT, n = 109) durch oder gehörten einer Warte-Kontrollgruppe (KG, n = 105) an. Nach 6 Monaten zeigten sich Verbesserungen des Körperbildes. Für beide Trainingsformen verbesserte sich die vitale Körperdynamik (PKT: d = 0.59, MKT: d = 0.40), die ablehnende Körperbewertung reduzierte sich (PKT: d = –0.44, MKT: d = –0.32). Für Selbstwirksamkeitserwartung und Lebenszufriedenheit fanden wir anhand von Strukturgleichungsmodellen und Pfadanalysen indirekte Wirkmechanismen: Das durch gesundheitsorientiertes Krafttraining verbesserte Körperbild fördert eine Zunahme der Selbstwirksamkeitserwartung, die wiederum eine höhere Lebenszufriedenheit begünstigt (χ2 = 3.35, p = .501, df = 4, NFI = .98, CFI = 1.00, RMSEA = .00). Die Ergebnisse werden im Hinblick auf das Zusammenspiel der zugrunde liegenden körperlichen und psychischen Wirkmechanismen untersucht.


The influence of health-oriented strength training on psychological well-being

Abstract. Effects of a health-oriented strength training on different aspects of psychological well-being were investigated for a period of 3 (t1) and 6 (t2) months. Participants (N = 531) exercised 6 times per month in either a preventive (PKT, n = 317) or medical strength training group (MKT, n = 109), or belonged to a waiting-list control group (KG, n = 105). Body image improved after 6 months: Vital body dynamics increased (PKT: d = 0.59, MKT: d = 0.40), whereas negative body evaluations decreased (PKT: d = –0.44, MKT: d = –0.32). With regard to self-efficacy and satisfaction with life, structural equation models and path analyses revealed indirect effects: body image (improved by health-oriented strength training) promotes an increase of self-efficacy, which in turn promotes an improved satisfaction with life (χ2 = 3.35, p = .501, df = 4, NFI = .98, CFI = 1.00, RMSEA = .00). Results are discussed with regard to the interrelations of physical and psychological aspects mediating the effects of the training.

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