Table 1: Demographics and measurements in typically developing children.

Sex Height(cm) Age(yrs) Leg Length
(cm)
GM Muscle
Length (cm)
GL Muscle
Length (cm)
F 136 9 30.3 15.9 15.4
F 139.5 8 32 18.2 13.3
F 122 8 28.2 15.1 14.4
F 115 6 25.3 14.1 13
F 104.5 4 21.5 12 11.4
F 165 14 39 21.1 17.4
F 165 13 38.5 22.5 20
Mean 8.9 30.7 17 15
Median 8 30.3 15.9 14.4
M 117.5 7 25.6 17.7 14.8
M 139 9 33.2 20.4 19.3
M 152 13 37.2 18.2 16.8
Mean 9.7 32 18.8 17
Median 9 33.2 18.2 16.8

Key: GM = Gastrocnemius medial, GL = Gastrocnemius lateral.