Study | Publication year | Country | Branches | Unit/training | Study type | n | Risk factor* |
---|---|---|---|---|---|---|---|
Age | |||||||
Anderson [70] | 2015 | USA | Army | Light Infantry Brigade | R | 2101 | Yes |
Anderson [71] | 2017 | USA | Army | Light Infantry | R | 4384 M, 363 F | Yes |
Beck [140] | 2000 | USA | Marines | P | 624 M, 693 F | No | |
Bedno [72] | 2013 | USA | Army | IET | P | 8456 M | Yes (M) |
Cameron [44] | 2010 | USA | Multiple | Active duty | R | 423,581 | Yes |
Canham-Chervak [141] | 2000 | USA | Army | Recruits BCT | P | 655 M, 498 F | No |
Canham-Chervak [52] | 2006 | USA | Army | Recruits | P | 1156 M, 746 F | No |
Cosio-Lima [54] | 2013 | USA | Army | Sergeants Major Academy | R | 149 | No |
Cowan [74] | 2012 | USA | Army | Trainees | P | 1568 F | No (F) |
Cowan [75] | 2011 | USA | Army | Recruits | P | 7323 | Yes |
Craig [40] | 2000 | USA | Army | Airborne Division | R | 242,949 aircraft exists | Yes (30 years +) |
Davey [76] | 2015 | UK | Marines | P | 1090 M | No (M) | |
Dixon [142] | 2019 | UK | Marines | Recruits | P | 1065 | Yes (younger) |
Grier [78] | 2017 | USA | Army | Infantry Brigade | R | 4236 M | Yes (M) |
Grier [79] | 2010 | USA | Multiple | R | 24,177 M | Yes (M) | |
Havenetidis [143] | 2011 | Greece | n/a | Recruits | P | 253 | Yes |
Henderson [144] | 2000 | USA | Army | Combat medic | P | 439 M, 287 F | Yes |
Hill [115] | 2013 | USA | Army | Active duty | R | 83,323 | Yes |
Knapik [47] | 2012 | USA | Army | Recruits BCT | R | 475,745 M, 107,906 F | Yes |
Knapik [145] | 2006 | USA | Army | Recruits BCT | P | 1174 M, 898 F | Yes |
Knapik [82] | 2013 | USA | Army | Army military police training | P | 1838 M, 553 F | Yes |
Knapik [146] | 2007 | USA | Army | Mechanics | R | 518 M, 43 F | No |
Knapik [84] | 2007 | USA | Army | Band | R | 159 M, 46 F | No |
Knapik [85] | 2001 | USA | Army | Recruits | P | 182 M, 168 F | No |
Knapik [86] | 2008 | USA | Army | Paratrooper training | R | 1677 | Yes |
Knapik [87] | 2008 | USA | Army | Recruits BCT | P | 2147 M, 920 F | Yes |
Knapik [88] | 2009 | USA | Marines | Recruits BCT | P | 840 M, 571 F | No |
Korvala [89] | 2010 | Finland | n/a | Conscripts | P | 192 | Yes |
Kuikka [36] | 2013 | Finland | Army | Conscripts | R | 128,584 | Yes |
Lappe [55] | 2005 | USA | Army | Recruits BCT | R | 4139 F | Yes (F) |
Lappe [56] | 2001 | USA | Army | Recruits BCT | P | 3758 F | Yes (F) |
Lauder [90] | 2000 | USA | Army | Active duty | P | 230 F | No (F) |
Ma [147] | 2016 | China | n/a | R | 2479 | No | |
Mahieu [148] | 2006 | Belgium | n/a | Recruits Royal Military Academy | P | 69 M | No (M) |
Mattila [38] | 2007 | Finland | Army | Conscripts | P | 149,750 M, 2345 F | Yes |
Moran [149] | 2013 | Israel | Army | Recruits | P | 44 | No |
Munnoch [91] | 2007 | UK | Marines | P | 1115 M | Yes (M) | |
Nunns [150] | 2016 | UK | Marines | Recruits | P | 160 M | No (M) |
Nye [151] | 2016 | USA | Air Force | Recruits BCT | R | 67,525 | Yes |
Owens [152] | 2007 | USA | n/a | Active duty | R | 4451 | Yes |
Owens [128] | 2009 | USA | Army, Marines, Navy, Air Force | Active duty | R | 19,730 | Yes |
Parr [153] | 2015 | USA | Army | Special Operations Forces | P | 106 | No |
Pihlajamäki [93] | 2019 | Finland | n/a | Full duty | R | 4029 M | No (M) |
Rabin [154] | 2014 | Israel | Army | Recruits | P | 70 M | No (M) |
Reynolds [96] | 2009 | USA | Army | Infantry | P | 181 | No |
Reynolds [97] | 2002 | USA | Army | Construction engineers & Combat artillery soldiers | P | 313 | No |
Roos [99] | 2015 | Switzerland | Army | Recruits | P | 651 M | No (M) |
Roy [133] | 2012 | USA | Army | Brigade Combat Team# | P | 246 M, 17 F | No |
Roy [121] | 2014 | USA | Army | Active duty | R | 625 F | Yes (F) |
Ruohola [100] | 2006 | Finland | n/a | Recruits | P | 756 M | No (M) |
Sanchez-Santos [65] | 2017 | UK | Marines | Recruits | P | 1082 M | Yes (M) |
Schneider [58] | 2000 | USA | Army | Airborne Div | R | 1214 | Yes |
Sefton [137] | 2016 | USA | Army | Recruits IET | P | 1788 M | Yes (M) |
Shaffer [109] | 2006 | USA | Marines | Recruits BCT | R | 2962 F | No (F) |
Sharma [102] | 2019 | UK | Army | Infantry recruits | P | 562 M | No (M) |
Sharma [103] | 2011 | UK | Army | Infantry recruits | P | 468 M | No (M) |
Skeehan [139] | 2009 | USA | Army, Marine, Navy | Active duty# | R | 3367 | No |
Sobhani [155] | 2015 | Iran | n/a | Recruits | R | 181 M | No (M) |
Sormaala [39] | 2006 | Finland | n/a | Recruits | R | 118,149 | No |
Taanila [59] | 2012 | Finland | Army | Conscripts | P | 982 M | Yes (M) |
Trybulec [156] | 2016 | Poland | Army | Airborne Brigade | R | 162 M, 3 F | Yes |
Wang [106] | 2003 | China | n/a | Military Police Forces Training | R | 805 M | No (M) |
Waterman [31] | 2016 | USA | Multiple | Active Duty | R | 5,580,875 | Yes |
Wilkinson [60] | 2009 | UK | Army | Infantry | P | 660 | Yes |
Zhao [108] | 2016 | China | Army | Recruits | P | 1398 M | No (M) |
Ankle dorsiflexion (limited) | |||||||
Dixon [30] | 2006 | UK | Marines | Recruits | R | 20 | No |
Rabin [154] | 2014 | Israel | Army | Recruits | P | 70 M | No (M) |
Balance (low) | |||||||
Heebner [157] | 2017 | USA | Army | Special Operation Forces | P | 95 | No |
Sell [158] | 2014 | USA | Special Operation Forces | P | 226 | Yes |