The Influence of Electromagnetic Radiation Generated by a Mobile Phone on the Skeletal System of Rats
Table 3
Plastic deformation of bones.
Parameter measured
Bone studied
Femoral diaphysis
Femoral neck
Proximal tibial metaphysis
Animal group
Animal group
Animal group
()
()
()
()
()
()
Yield point force [N]
32.349 ± 4.703
34.828 ± 4.614
96.618 ± 9.221
95.840 ± 8.120
22.365 ± 2.001
24.028 ± 4.614
Yield point strain [mm]
0.615 ± 0.077
0.648 ± 0.087
0.832 ± 0.054
0.875 ± 0.095
0.315 ± 0.047
0.318 ± 0.087
Yield point energy [mJ]
5.254 ± 0.556
5.365 ± 0.596
38.03 ± 4.08
38.06 ± 4.20
7.354 ± 0.606
7.565 ± 0.786
Yield point stress [MPa]
19.895 ± 2.093
22.807 ± 2.031
—
—
15.295 ± 1.693
14.807 ± 2.431
Yield point time [s]
—
—
83.221 ± 5.458
85.111 ± 6.002
—
—
Maximum bending force [N]
46.841 ± 5.826
48.077 ± 4.169
98.107 ± 7.723
97.982 ± 8.477
36.541 ± 4.016
36.077 ± 4.169
Strain at maximum bending force [mm]
0.992 ± 0.163
1.020 ± 0.143
0.840 ± 0.042
0.849 ± 0.097
1.092 ± 0.173
1.020 ± 0.143
Energy at maximum bending force [mJ]
46.351 ± 5.309
43.325 ± 5.066
34.07 ± 5.10
37.02 ± 5.40
30.051 ± 4.309
33.325 ±
Stress at maximum bending force [MPa]
47.065 ± 3.578
5.926 ± 5.139
—
—
30.065 ± 3.578
25.996 ±
Time at maximum bending force [s]
—
—
84.032 ± 4.245
84.942 ± 8.677
—
—
The results are presented as arithmetic mean ± standard deviation (). : number of rats in a group (male rats of Wistar strain, 10 weeks old, in the beginning of the experiment). Statistically significant difference in relation to control group (dependent -test).
