Morphometric and Statistical Analysis of the Palmaris Longus Muscle in Human and Non-Human Primates
Table 1
Measures of the palmaris longus, palmaris longus tendon, and palmaris longus/tendon relationship for species of primates and primate groups.
Specimens ()
Total
Tendon
Total/tendon
Primate groups
Modern humans (28)
25.51 (±1.69)
15.06 (±1.75)
1.71 (±0.13)
Modern humans†, Δ, *, +
Pan sp. (3)
8.83 (±1.62)
4.95 (±0.91)
1.78 (±0.04)
Apes†, Δ, *, +
Pongo sp. (2)
8.30 (±0.10)
4.40 (±0.30)
1.89 (±0.15)
Macaca fuscata (6)
17.30 (±0.43)
7.30 (±0.5)
2.37 (±0.12)
Old World primates†, Δ, *
Aotus sp. (4)
6.8 (±0.47)
3.2 (±0.50)
2.09 (±0.23)
New World primates†, Δ
Callithrix sp. (3)
4.35 (±0.19)
1.72 (±0.23)
2.53 (±0.08)
Ateles
sp. (1)
25.3
10.0
2.53
Sapajus libidinosus (11)
10.71 (±1.50)
2.99 (±0.51)
3.81 (±1.07)
Lemur catta (2)
8.6 (±0.50)
1.9 (±0.0)
4.53 (±0.27)
Lemuriformes†
Propithecus sp. (2)
11.25 (±0.05)
2.2 (±0.20)
5.16 (±0.49)
†Significant difference among Lemuriformes and other groups. ΔSignificant difference among New World primates and other groups.
*
Significant difference among Old World primates and other groups.
+Significant difference between apes and modern humans.
