Muscle type

Treatment (number fibers analyzed)

∆F/F (mean ± SD)

TTP ms (mean ± SD)

HTTP ms (mean ± SD)

HRT ms (mean ± SD)

Twitch stimulation

EDL

Chow

(n = 57)

1.48 ± 0.21

1.46 ± 0.25

0.99 ± 0.20

2.07 ± 0.69

LVAD

(n = 50)

1.24 ± 0.19^*

1.34 ± 0.20^*

1.02 ± 0.19

1.81 ± 0.48

Soleus

Chow

(n = 29)

0.65 ± 0.14

2.03 ± 0.37

1.28 ± 0.47

10.04 ± 1.98

LVAD

(n = 28)

0.60 ± 0.15

2.07 ± 0.47

1.33 ± 0.35

11.42 ± 2.57

Tetanic stimulation

EDL

Chow

(n = 42)

1.81 ± 0.30

LVAD

(n = 46)

1.60 ± 0.32^*

Soleus

Chow

(n = 27)

1.29 ± 0.42

LVAD

(n = 31)

1.10 ± 0.32^*