Table 3.
Product-moment correlations among jaw-muscle architecture and EMG variables for the (a) superficial masseter and (b) temporalis.
| a. Masseter | ||
|---|---|---|
| Masseter Variables1 | Superficial Masseter W/B Ratio2 | Average W/B Ratio |
| Weight0.333 / Condyle-M1 | -0.02 (0.96) | 0.02 (0.97) |
| Fiber Length / Condyle-M1 | 0.19 (0.66) | 0.12 (0.78) |
| PCSA0.5 / Condyle-M1 | -0.32 (0.44) | -0.23 (0.58) |
| b. Temporalis | |||
|---|---|---|---|
| Temporalis Variables | Anterior Temporalis W/B Ratio3 | Posterior Temporalis W/B Ratio | Average W/B Ratio |
| Weight0.333 / Condyle-M1 | -0.50 (0.20) | -0.75 (0.03) | -0.66 (0.08) |
| Fiber Length / Condyle-M1 | -0.48 (0.23) | -0.62 (0.10) | -0.46 (0.25) |
| PCSA0.5 / Condyle-M1 | -0.82 (0.02) | -0.71 (0.07) | -0.85 (0.02) |
1
Abbreviations: Weight = Jaw-muscle weight, Condyle-M1 = Condyle to M1 length, PSCA = Physiological Cross-Sectional Area.
2
Product-moment correlations are followed by the p-value in parentheses.
3
Bolded correlations are significant at α=0.05. Italicized correlations indicate p-values < 0.1 suggesting trends at the small sample sizes.