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Table 1 Absolute value of torque and EMG during isometric twitch contraction and the maximal voluntary concentric contraction

From: Potentiation of isokinetic torque is velocity-dependent following an isometric conditioning contraction

Absolute values of torque and EMG

Isometric twitch torque (Nm)

Pre

Post

1 min

5 min

Fast

24.1 ± 4.5

39.2 ± 5.1

31.4 ± 5.4

26.7 ± 5.0

Slow

23.4 ± 3.9

39.0 ± 5.5

31.8 ± 5.5

26.0 ± 4.8

Maximal voluntary concentric torque (Nm)

Pre

Post

1 min

5 min

Fast

94.6 ± 12.3

100.7 ± 13.4

99.0 ± 16.0

97.2 ± 12.3

Slow

149.0 ± 24.5

149.1 ± 22.7

147.2 ± 22.9

149.4 ± 19.9

M-wave of medial gastrcnemius (mV)

Pre

Post

1 min

5 min

Fast

3.2 ± 2.1

3.0 ± 2.0

3.3 ± 2.1

3.4 ± 2.1

Slow

3.3 ± 2.1

3.1 ± 2.0

3.3 ± 2.1

3.4 ± 2.1

M-wave of lateral gastrcnemius (mV)

Pre

Post

1 min

5 min

Fast

4.3 ± 1.7

4.4 ± 1.6

4.6 ± 1.9

4.5 ± 1.8

Slow

4.3 ± 1.7

4.4 ± 1.6

4.6 ± 1.7

4.6 ± 1.8

M-wave of soleus (mV)

Pre

Post

1 min

5 min

Fast

3.7 ± 2.1

4.0 ± 2.0

3.8 ± 2.1

3.7 ± 2.2

Slow

3.9 ± 2.1

4.2 ± 1.9

4.0 ± 2.1

3.9 ± 2.1

RMSEMG of medial gastrocnemius (mV)

Pre

Post

1 min

5 min

Fast

0.28 ± 0.11

0.26 ± 0.07

0.26 ± 0.10

0.25 ± 0.07

Slow

0.25 ± 0.08

0.24 ± 0.06

0.22 ± 0.05

0.23 ± 0.05

RMSEMG of lateral gastrocnemius (mV)

Pre

Post

1 min

5 min

Fast

0.28 ± 0.09

0.26 ± 0.10

0.25 ± 0.10

0.26 ± 0.11

Slow

0.24 ± 0.07

0.23 ± 0.09

0.21 ± 0.08

0.23 ± 0.11

RMSEMG of soleus (mV)

Pre

Post

1 min

5 min

Fast

0.16 ± 0.05

0.16 ± 0.06

0.16 ± 0.07

0.16 ± 0.06

Slow

0.16 ± 0.05

0.14 ± 0.04

0.14 ± 0.06

0.15 ± 0.04

RMSEMG of tibialis anterior (mV)

Pre

Post

1 min

5 min

Fast

0.04 ± 0.01

0.04 ± 0.01

0.04 ± 0.01

0.04 ± 0.01

Slow

0.03 ± 0.01

0.03 ± 0.01

0.03 ± 0.01

0.03 ± 0.01

  1. Data are shown as means ± SDs. Pre: Before the conditioning contraction; Post: Immediately after the conditioning contraction.