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Table 4 Breaking force and energy of the femoral diaphysis

From: Hydrolyzed collagen intake increases bone mass of growing rats trained with running exercise

 

20% protein

Two-way ANOVA (p value)

40% protein

Two-way ANOVA (p value)

  

Exercise

Collagen

Interaction

 

Exercise

Collagen

Interaction

Breaking force (×106 dyn)

        

Collagen(-)

EX(-)

29.358 ± 1.396

0.574

0.523

0.068

27.864 ± 1.105

0.757

0.708

0.547

EX(+)

26.702 ± 0.928

29.132 ± 1.994

Collagen(+)

EX(-)

26.618 ± 1.358

29.222 ± 1.101

EX(+)

28.037 ± 0.803

28.816 ± 1.255

Breaking force (×106 dyn/100g Body Wt.)1

        

Collagen(-)

EX(-)

7.234 ± 0.329

0.001

0.909

0.082

6.766 ± 0.227

0.002

0.274

0.605

EX(+)

7.741 ± 0.231

8.343 ± 0.179

Collagen(+)

EX(-)

6.798 ± 0.31

7.455 ± 0.254

EX(+)

8.237 ± 0.218

8.591 ± 0.352

Breaking energy (×105 erg)

        

Collagen(-)

EX(-)

20.301 ± 1.598

0.458

0.919

0.182

17.202 ± 1.778

0.492

0.195

0.145

EX(+)

19.430 ± 1.116

20.546 ± 1.048

Collagen(+)

EX(-)

18.203 ± 1.704

21.499 ± 1.280

EX(+)

21.231 ± 1.480

20.290 ± 1.982

Breaking energy (×105 erg/100d Body Wt.)1

        

Collagen(-)

EX(-)

4.987 ± 0.37

0.002

0.886

0.269

4.191 ± 0.436

0.010

0.070

0.190

EX(+)

5.758 ± 0.221

5.833 ± 0.296

Collagen(+)

EX(-)

4.644 ± 0.407

5.496 ± 0.376

 

EX(+)

6.202 ± 0.389

   

6.047 ± 0.569

   
  1. Values are expressed as means ± SD. Data were analyzed by two-way ANOVA at the 5% level of significance. Interaction means Exercise-Collagen interaction.
  2. 1Breaking force and energy adjusted to the 100g body weight to exclude the influence of body mass.