Affect and exertion during incremental physical exercise: Examining changes using automated facial action analysis and experiential self-report.

von Sinika Timme (Autor), ... Ralf Brand (Autor) 2020

Exercise or not? An empirical illustration of the role of behavioral alternatives in exercise motivation and resulting theoretical considerations

von Sinika Timme (Autor), ... Ralf Brand (Autor), Michaela Raboldt (Autor) 2023

When Pandemic Hits: Exercise Frequency and Subjective Well-Being During COVID-19 Pandemic

von Ralf Brand (Autor), ... Sinika Timme (Autor), Sanaz Nosrat (Autor) 2020

Using COVID-19 Pandemic as a Prism: A Systematic Review of Methodological Approaches and the Quality of Empirical Studies on Physical Activity Behavior Change

von Ralf Brand (Autor), ... Sanaz Nosrat (Autor), Constantin Späth (Autor), Sinika Timme (Autor) 2022

Continuity and Discontinuity of Sport and Exercise Type During the COVID-19 Pandemic. An Exploratory Study of Effects on Mood

von Noora J. Ronkainen (Autor), ... Arto J. Pesola (Autor), Olli Tikkanen (Autor), Ralf Brand (Autor) 2021

Corrigendum: “I Want It All, and I Want It Now”: Lifetime Prevalence and Reasons for Using and Abstaining from Controlled Performance and Appearance Enhancing Substances (PAES) amo...

von Lambros Lazuras (Autor), ... Vassilis Barkoukis (Autor), Andreas Loukovitis (Autor), Ralf Brand (Autor), Andy Hudson (Autor), Luca Mallia (Autor), Michalis Michaelides (Autor), Milena Muzi (Autor), Andrea Petróczi (Autor), Arnaldo Zelli (Autor) 2018

“I Want It All, and I Want It Now”: Lifetime Prevalence and Reasons for Using and Abstaining from Controlled Performance and Appearance Enhancing Substances (PAES) among Young Exer...

von Lambros Lazuras (Autor), ... Vassilis Barkoukis (Autor), Andreas Loukovitis (Autor), Ralf Brand (Autor), Andy Hudson (Autor), Luca Mallia (Autor), Michalis Michaelides (Autor), Milena Muzi (Autor), Andrea Petróczi (Autor), Arnaldo Zelli (Autor) 2017

What is needed to promote physical activity?

von Vivien Hohberg (Autor), ... Jan-Niklas Kreppke (Autor), Robyn Cody (Autor), Regina Guthold (Autor), Catherine Woods (Autor), Ralf Brand (Autor), Genevieve Dunton (Autor), Alexander Rothman (Autor), Sascha Ketelhut (Autor), Claudio Nigg (Autor) 2022

Elaborating the discussion on promoting physical activity: Response to Schwarzer, Biddle, Rhodes and Ntoumanis

von Robyn Cody (Autor), ... Vivien Hohberg (Autor), Jan-Niklas Kreppke (Autor), Regina Guthold (Autor), Catherine Woods (Autor), Ralf Brand (Autor), Genevieve F. Dunton (Autor), Alexander J. Rothman (Autor), Sascha Ketelhut (Autor), Claudio R. Nigg (Autor) 2023

Staying Active under Restrictions: Changes in Type of Physical Exercise during the Initial COVID-19 Lockdown

von Valentin Benzing (Autor), ... Sanaz Nosrat (Autor), Alireza Aghababa (Autor), Vassilis Barkoukis (Autor), Dmitriy Bondarev (Autor), Yu-Kai Chang (Autor), Boris Cheval (Autor), Muhammet Cihat Çiftçi (Autor), Hassan M. Elsangedy (Autor), Maria Luisa M. Guinto (Autor), Zhijian Huang (Autor), Martin Kopp (Autor), Hafrún Kristjánsdóttir (Autor), Garry Kuan (Autor), Luca Mallia (Autor), Dadi Rafnsson (Autor), Gledson Tavares Amorim Oliveira (Autor), Arto J. Pesola (Autor), Caterina Pesce (Autor), Noora J. Ronkainen (Autor), Sinika Timme (Autor), Ralf Brand (Autor) 2021