Low physical activity is a risk factor for sarcopenia: a cross-sectional analysis of two exercise trials on community-dwelling older adults.

"Declarations Ethics approval and consent to participateAll experiments and this study were performed in accordance with Declaration of Helsinki and the ProMo and PASSWORD studies were approved by the Ethics Committee of the Central Finland Health Care District on December 18, 2007, and on December 14, 2016 (12/2007 and 12/2016), respectively. Written informed consent was obtained from subjects before the baseline measurements. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding The PASSWORD project was funded by the Academy of Finland (Grant no: 296843), and the ProMo project was funded by the Ministry of Education and Culture and by Kela, the Social Insurance Institution of Finland. Open Access funding provided by University of Jyväskylä (JYU)."