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- Effect of the Internet and online social media on awareness of ACSM physical activity recommendationsPublication . Esteves, Dulce; Pinheiro, Paulo; Brás, Rui; Rodrigues, Ricardo Gouveia; Gouveia, Ana; O'Hara, Kelly; Duarte, PauloIntervention strategies to increase physical activity (PA) that can reach many people in a cost-effective manner are desired. Web-based interventions have shown promising results, but little investigation focus the effect of use Internet Sites and online social media as information sources on PA knowledge. This investigation aims to evaluate the effect of seeking for PA information on Internet Sites and online social media on awareness of ACSM PA recommendations for health promotion, among college students. The study included a randomly recruited sample of 658 college students (32.1% males; 67.9% females), aged 20.8, SD 2.9 years. A survey was designed to evaluate the use different PA information sources and the awareness of ACSM PA recommendations. 63.2% of respondents were not accurately knowledgeable of the ACSM PA recommendations. Interviewed use Internet Sites (55.8%) and online social media (29.1%) to seek for PA information. Looking for PA information online presents a negative influence on awareness of ACSM recommendations (P= .003 for Internet Sites and P= .022 for online social media).Despite efforts to promote PA and widespread knowledge on ACSM recommendations, about two thirds of interviewed students can not accurately identify adequate PA characteristics for health improvement. The use of new information technologies as PA information source seems to lead to lower level of knowledge, what could be related with poor quality of PA information on web.