Table 2 Descriptive measures during fatigue development for evoked twitches and the ability to maintain the required force level during the contractions (SLP). Values are mean(standard deviation) for both genders and muscle groups.
From: Sex differences in the rate of fatigue development and recovery
Elbow Flexors | Knee Extensors | ||||
|---|---|---|---|---|---|
Variable | Contraction | Female | Male | Female | Male |
Twitch (N) | Pre* | 25.3(9.8) | 70.4(22.0) | 207.3(32.9) | 310.0(73.4) |
1* | 22.9(10.7) | 59.2(17.2) | 180.0(29.9) | 252.5(31.5) | |
2* | 21.9(11.0) | 50.3(15.7) | 172.2(28.2) | 223.5(35.7) | |
3* | 23.4(8.5) | 48.1(16.7) | 150.6(50.8) | 207.6(43.7) | |
4 | 22.5(10.9) | 41.2(11.3) | 166.0(25.6) | 185.7(39.9) | |
5 | 21.8(7.7) | 40.7(12.3) | 157.7(32.4) | 170.1(42.2) | |
6 | 23.0(9.4) | 35.7(14.1) | 148.8(24.3) | 150.5(39.9) | |
7 | 20.6(12.0) | 31.3(13.0) | 146.0(28.0) | 143.2(41.1) | |
8 | 18.3(6.0) | 31.2(13.1) | 122.2(49.9) | 130.2(44.8) | |
9 | 18.2(10.2) | 28.5(14.2) | 128.8(29.7) | 118.9(32.2) | |
10 | 17.5(9.8) | 25.4(14.8) | 121.8(30.6) | 112.0(35.9) | |
SLP (N·sec-1) | 1 | 0.78(4.5)† | -0.04(0.9) | 0.11(0.6) | 0.36(1.0) |
2 | -0.15(0.5) | -0.06(0.5) | -0.66(0.5) | 0.39(2.4) | |
3 | -0.22(0.3) | 0.01(0.6) | -0.35(0.8) | 0.02(1.1) | |
4 | -0.44(0.5) | -0.27(0.7) | -0.21(0.8) | -0.70(0.9) | |
5 | -0.40(0.5) | -0.26(0.9) | 0.001(1.0) | -0.45(2.2) | |
6* | -0.53(0.6) | -0.77(1.6) | -0.17(0.4) | -1.68(1.67) | |
7* | -0.25(0.4) | -1.08(1.9) | -0.29(0.6) | -2.16(2.22) | |
8* | -0.42(0.6) | -0.15(2.8) | -0.43(0.6) | -3.30(2.18) | |
9* | -0.45(0.5) | -1.05(1.6) | -0.39(0.6) | -3.32(2.9) | |
10* | -0.52(0.4) | -0.89(1.5) | -0.15(0.8) | -5.12(3.3) | |