Changes in muscular strength based on full cervical flexion Janis Vetra, Vladimir Sklarevich, Gregory Anoufriev, Imants Kalnins, Janis Vetra Jr., Silvija Umbrasko, Vladislavs Kotovs and Larisa Beilina SHS Web Conf., 51 (2018) 02014 Published online: 07 November 2018 DOI: 10.1051/shsconf/20185102014