Table 2.

Force-time metrics obtained during countermovement jump in combat fighters (CF) and physically active men (PA). Data are presented as mean (95% confidence intervals), and ^[n] describes the number of participants analyzed.

Metric	Group	Day 1	Day 2	Day 3
Unweighting phase
Duration (ms)	PA	298 (221, 375)[21]	289 (241, 323)[18]	287 (207, 365)[21]
	CF	305 (262, 340)[21]	290 (255, 326)[20]	290 (252, 316)[20]
GRFPEAK (N)	PA	199 (28, 395)[20]	155 (7, 315)[19]	185 (41, 394)[21]
	CF	114 (58, 204)[17]	83 (23, 138)[18] a	66 (30, 129)[18]
GRFMEAN (N)	PA	468 (302, 660)[19]	450 (236, 635)[21]	424 (233, 578)[20]
	CF	410 (295, 505)[21]	392 (307, 483)[19]	390 (268, 495)[21]
Impulse (Ns)	PA	93 (48, 119)[19]	85 (59, 115)[19]	89 (56, 125)[20]
	CF	112 (90, 136)[21]	112 (88, 140)[20]	116 (91, 140)[21]
Braking phase
Duration (ms)	PA	115 (98, 204)[21]	160 (98, 213)[21]	161 (98, 222)[20]
	CF	168 (138, 192)[19]	160 (130, 193)[20]	167 (130, 205)[20]
GRFPEAK (N)	PA	1754 (1204, 2243)[19]	1780 (1276, 2342)[20]	1759 (1164, 2310)[20]
	CF	1913 (1503, 2318)[21]	1951 (1470, 2417)[21]	1931 (1489, 2287)[21]
GRFMEAN (N)	PA	1285 (935, 1661)[20]	1297 (929, 1632)[20]	1273 (846, 1619)[20]
	CF	1415 (1160, 1724)[21]	1461 (1150, 1837)[21]	1448 (1185, 1766)[21]
Impulse (Ns)	PA	80 (43, 116)[20]	83 (57, 120)[20]	85 (49, 121)[20]
	CF	108 (86, 141)[21]	108 (82, 131)[20]	110 (87, 134)[21]
Propulsive phase
Duration (ms)	PA	259 (200, 330)[20]	256 (160, 330)[21]	261 (170, 340)[21]
	CF	296 (241, 372)[21]	292 (252, 345)[19]	300 (277, 319)[17]
GRFPEAK (N)	PA	1859 (1241, 2411)[19]	1887 (1343, 2438)[19]	1901 (1309, 2455)[20]
	CF	1937 (1479, 2360)[21]	1981 (1477, 2417)[21]	1962 (1495, 2294)[21]
GRFMEAN (N)	PA	1505 (1029, 1987)[19]	1501 (1072, 2003)[19]	1524 (1095, 2044)[20]
	CF	1559 (1193, 1949)[21]	1578 (1200, 1972)[21]	1559 (1203, 1951)[21]
Impulse (Ns)	PA	195 (138, 254)[20]	197 (139, 254)[20]	203 (156, 257)[19]
	CF	222 (172, 270)[21]	225 (177, 271)[21]	228 (169, 272)[21]
Landing phase
Duration (ms)	PA	270 (160, 370)[19]	242 (130, 350)[19]	233 (200, 270)[15]
	CF	325 (192, 444)[19]	377 (191, 687)[21]	411 (205, 743)[21]
GRFPEAK (N)	PA	4072 (2032, 6308)[20]	3971 (1720, 6822)[21]	3956 (1849, 6391)[19]
	CF	3867 (1945, 5176)[19]	3805 (2027, 5557)[20]	3798 (2225, 5195)[20]
GRFMEAN (N)	PA	1742 (970, 2557)[21]	1736 (924, 2444)[21]	1701 (891, 2598)[20]
	CF	1607 (1233, 1900)[19]	1621 (1175, 2059)[21]	1570 (1237, 1946)[19]
Impulse (Ns)	PA	238 (169, 325)[20]	238 (160, 324)[20]	245 (162, 324)[20]
	CF	288 (222, 344)[21]	293 (220, 369)[21]	294 (217, 353)[20]

^aless than day 1 (p = .006; ES = 0.88).