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Table 2 Measured variables in control and trained rats

From: Effects of repeated lengthening contractions on skeletal muscle adaptations in female rats

 

Soleus

Plantaris

Medial gastrocnemius

Control

Trained

Control

Trained

Control

Trained

Fiber area (μm2)

3,039 ± 95

2,653 ± 143*

3,026 ± 88

3,191 ± 112*

3,842 ± 154

2,840 ± 189*

ECM content (%)

15.1 ± 1.0

17.4 ± 0.7

13.3 ± 0.6

15.5 ± 0.6*

12.3 ± 0.4

17.5 ± 1.1*

Collagen content (μg/mg dry wt)

26.9 ± 1.5

33.9 ± 3.5*

18.6 ± 1.6

24.7 ± 0.9*

10.0 ± 0.5

13.1 ± 1.2*

Collagen crosslinks (mol HP/mol collagen)

0.27 ± 0.01

0.28 ± 0.02

0.24 ± 0.01

0.25 ± 0.01

0.35 ± 0.03

0.32 ± 0.02

  1. ECM Extra-cellular matrix, HP pyridinoline
  2. *P < 0.05, P = 0.06 (Significant difference between control rats and rats trained with lengthening contractions, Student’s t test)