Biomechanical Analysis of Force Distribution in Human Finger Extensor Mechanisms

Table 3

(a) Tendon component length changes and forces at finger pressing posture 1. (b) Tendon component length changes and forces at finger pressing posture 3.

(a)  

Tendon component	Length change (mm)	Force (N)
E0E	0.521	35.47
AB	0.191	48.87
BC	0.409	51.55
CD	0.595	174.85
EF	0.289	34.97
FG	0.491	21.11
GH	0.033	2.64
GB	−0.210	0
HA	−0.211	0
EL	0.313	37.85
LM	0.612	26.32
MN	1.217	97.37
MB	0.102	12.35
NA	0.008	0.93
FA	0.271	10.85
GC	0.766	57.42
LA	0.307	12.27
MC	0.887	66.55

(b)  

Tendon component	Length change (mm)	Force (N)
E0E	0.212	31.77
AB	0.075	19.14
BC	0.158	19.89
CD	0.240	70.45
EF	0.112	13.60
FG	0.158	6.81
GH	0.036	2.84
GB	−0.069	0
HA	−0.043	0
EL	0.154	18.58
LM	0.303	13.01
MN	0.590	47.17
MB	−0.018	0
NA	0.007	0.90
FA	0.015	5.92
GC	0.224	16.78
LA	0.109	4.37
MC	0.438	32.84