title: Commentaries on Viewpoint: "Tighter fit" theory-physiologists explain why "higher altitude" and jugular occlusion are unlikely to reduce risks for sports concussion and brain injuries.
authors.affiliation: University of South Wales, Glamorgan.|University of British Columbia-Okanagan, Canada.
authors.forename: Damian M
authors.initials: DM
authors.lastname: Bailey
authors.affiliation: University of Cincinnati.
authors.forename: Joseph F
authors.initials: JF
authors.lastname: Clark
authors.affiliation: University of Cincinnati.|University of Pennsylvania.
authors.forename: Gregory D
authors.initials: GD
authors.lastname: Myer
authors.affiliation: University of Toronto, Canada.
authors.forename: Joseph A
authors.initials: JA
authors.lastname: Fisher
authors.affiliation: University of Washington.
authors.forename: Erik R
authors.initials: ER
authors.lastname: Swenson
authors.affiliation: University of South Wales, Glamorgan.
authors.forename: Benjamin S
authors.initials: BS
authors.lastname: Stacey
authors.affiliation: University of South Wales, Glamorgan.
authors.forename: James A
authors.initials: JA
authors.lastname: Smith
authors.affiliation: University of South Wales, Glamorgan.
authors.forename: Thomas S
authors.initials: TS
authors.lastname: Owens
authors.affiliation: University of South Wales, Glamorgan.|University of British Columbia-Okanagan, Canada.
authors.forename: Damian M
authors.initials: DM
authors.lastname: Bailey
mesh_terms: D000531:Altitude; D001265:Athletic Injuries; D001924:Brain Concussion; D006801:Humans; D013177:Sports