Measurement of Gender Differences of Gastrocnemius Muscle and Tendon Using Sonomyography during Calf Raises: A Pilot Study

Table 1

The architectural changes of muscle and tendon within the plantar-flexion ankle angle change of 25°.

	Female	Male	Total
Fascicle length (mm)
Change (, Cohen’s  )	24.2 (4.1)	25.4 (2.3)	24.8 (3.2)
Pennation angle (°)
Change (, Cohen’s  )	8.0 (2.2)	11.2 (3.4)	9.6 (3.2)
Tendon length (mm)
Change (, Cohen’s  )	10.7 (3.3)	11.2 (1.7)	10.9 (2.5)