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. Author manuscript; available in PMC: 2015 Jun 3.
Published in final edited form as: Ann Biomed Eng. 2014 Nov 18;43(5):1098–1111. doi: 10.1007/s10439-014-1181-7

TABLE 3. Sensitivity (correlation coefficient) calculated between muscle and body segment parameter inputs and the resulting maximum value of each output.

Body segment parameters Segment
Center of mass Ankle Knee Hip Flex/Ext HipAdd/Abd Hip Int/Ext
Foot Med/Lat 0.06 −0.07 0.06 −0.06 0.13
Foot Ant/Post 0.67c 0.43b 0.03 −0.04 0.11
Foot Sup/Inf −0.10 −0.13 0.19 0.02 −0.01
Shank Med/Lat −0.02 −0.02 −0.03 0.26a −0.33a
Shank Ant/Post 0.00 0.46 0.05 −0.02 0.21a
Shank Sup/Inf 0.04 0.13 0.07 −0.06 0.05
Thigh Med/Lat 0.00 0.00 0.01 0.47b −0.58b
Thigh Ant/Post 0.00 −0.01 0.18 0.00 0.60b
Thigh Sup/Inf 0.03 0.02 −0.28 −0.14 0.00
Moment of inertia Ankle Knee Hip Flex/Ext HipAdd/Abd Hip Int/Ext
Foot AA 0.00 −0.02 0.00 0.02 −0.01
Foot IE −0.06 −0.01 −0.03 0.00 −0.05
Foot FE 0.44b 0.07 −0.05 0.02 0.03
Shank AA 0.03 −0.03 0.03 0.01 −0.05
Shank IE −0.01 0.00 0.01 −0.01 −0.02
Shank FE 0.01 0.29a −0.08 0.02 0.02
Thigh AA 0.01 −0.01 0.01 −0.09 −0.15
Thigh IE 0.00 −0.02 −0.02 −0.01 −0.06
Thigh FE 0.04 0.01 0.51b 0.02 0.19
Mass Ankle Knee Hip Flex/Ext HipAdd/Abd Hip Int/Ext
Foot 0.58b 0.29a 0.11 0.14 0.00
Shank 0.03 0.64c 0.64c 0.33a −0.19
Thigh 0.01 0.00 0.42b 0.75c 0.02
Muscle parameters Parameter
Muscle Maximum isometric force Tendon slack length Pennation angle
Rectus femoris 0.17 0.29a 0.00
Vastus medialis 0.33a −0.63c −0.07
Vastus lateralis 0.28a −0.83c −0.10
Semitendinosus 0.76c 0.51b −0.05
Biceps femoris 0.53b 0.39a −0.03
Gastrocnemius 0.53b 0.51b −0.39a
Gluteus maximus 1 0.59b −0.72c 0.00
Gluteus maximus 2 0.62c −0.70c −0.04
Gluteus maximus 3 0.80c −0.47b −0.05
Gluteus medius 1 0.63c −0.57b −0.15
Gluteus medius 2 0.91c 0.20a −0.12
Gluteus medius 3 0.72c 0.24a −0.44b

Sensitivity is highlighted based on correlation coefficient strength

a

Weakly sensitive: r = 0.2–0.4;

b

moderately sensitive: r = 0.4–0.6;

c

highly sensitive: r = 0.6–1.0.