TABLE 3.
Sarcomere stiffness (nN/nm)* | Diameter (μm)* | Stiffness/CSA‡ (nN/nm/μm2)* | Initial SL (μm)* | Elastic modulus§ (nN/μm2)* | Corrected elastic modulus¶ (nN/μm2)* | n | |
---|---|---|---|---|---|---|---|
pm | 0.735 ± 0.042 | 1.77 ± 0.04 | 0.296 ± 0.013 | 3.68 ± 0.06 | 1095 ± 59 | 635 ± 34 | 15 |
pmS18A | 0.692 ± 0.037 | 1.83 ± 0.05 | 0.258 ± 0.007† | 3.55 ± 0.11 | 917 ± 46† | 532 ± 27† | 10 |
pmS-A4 | 0.638 ± 0.031 | 1.78 ± 0.03 | 0.256 ± 0.008† | 3.67 ± 0.07 | 938 ± 33† | 544 ± 19† | 11 |
p-value | 0.212 | 0.516 | 0.018 | 0.469 | 0.030 | 0.030 |
Values are mean ± SE.
Indicate values are significantly different (p < 0.05) from the paramyosin positive control, pm.
Stiffness/CSA = sarcomere stiffness / (π × (diameter/2)2).
Elastic modulus = (stiffness / CSA) × initial SL.
Corrected elastic modulus = 0.58 × elastic modulus.