Results: The fibers, muscle weight, cross-sectional area of typeⅠ were . %, . ±7. 9 g, and . 7. cm~ respectively. The pennate angle was 0 degree. The muscle spindle density was . 8 per gram in average.
Results: The fibers, muscle weight, cross-sectional area of typeⅠ were . %, . ±7. 9 g, and . 7. cm~ respectively. The pennate angle was 0 degree. The muscle spindle density was . 8 per gram in average.
果：Ⅰ型肌纤维占 ． ％，肌重 ． g，生理横切面积 ． 7 cm~，羽状角θ为0度，平均肌梭密度 ． 8个／g。