Table 3. Animal studies: Itemized scoring of study quality using a modified Downs and Black checklist
First author, year 1 2 3 4 5 6 7 8 9 10 11 12 13 Total Quality
Bullimore, 2008 1 1 0 1 1 1 1 0 1 1 1 0 0 9 9/13
Cavagna, 1968 1 1 1 1 0 0 1 0 1 1 1 0 0 8 8/13
Cavagna, 1974 1 1 1 1 1 0 1 0 1 1 1 0 0 9 9/13
Cavagna,1981 1 1 1 1 1 0 1 0 1 1 1 0 0 9 9/13
Cavagna, 1994 1 0 1 1 1 0 1 0 0 1 1 0 0 7 7/13
Ettema, 1992 1 1 1 1 1 0 1 1 1 1 1 0 0 10 10/13
Ettema, 1990 1 1 1 1 1 0 1 1 1 1 1 0 0 10 10/13
Ettema, 1990 1 1 1 1 1 0 1 1 1 1 1 0 0 10 10/13
Fukutani, 2017 1 1 1 1 0 1 1 1 1 1 1 1 0 11 11/13
Fukutani, 2018 1 1 1 1 1 1 1 1 1 1 1 0 0 11 11/13
Herzog, 2000 1 1 1 1 1 0 1 1 1 1 1 0 0 10 10/13
Lee, 2001 1 1 1 1 1 0 1 1 1 1 1 0 0 9 10/13
Sugi (1988) 0 1 0 0 0 0 1 0 1 1 1 0 0 5 5/13
Takarada (1997) 1 1 0 1 0 0 1 1 1 1 1 0 0 8 8/13