Table 2 Resting muscle architecture.

From: Jumping performance and muscle–tendon characteristics of Maasai men of East Africa

 

Maasai (n = 19)

Controls (n = 12)

95% C.I.

P

GM fascicle length (mm)

48.3 ± 5.8

53.4 ± 7.9

 − 10.1, − 0.1

0.047*

GM pennation angle (°)

19.5 ± 2.4

21.4 ± 2.8

 − 3.8, 0.0

0.048*

GM thickness (mm)

15.0 ± 2.2

18.4 ± 1.7

 − 4.9, − 1.9

 < 0.001*

VL fascicle length (mm)

78.7 ± 7.9

81.7 ± 15.7

 − 11.7, 5.7

0.485

VL pennation angle (°)

15.3 ± 1.9

16.0 ± 3.4

 − 2.6, 1.2

0.497

VL thickness (mm)

21.2 ± 2.4

21.6 ± 3.9

 − 2.7, 1.9

0.678

  1. Group mean ± SD. 95% confidence interval (C.I.) for differences between means.
  2. GM, medial gastrocnemius; VL, vastus lateralis.
  3. *Denotes significant group difference.