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Table 1.

The negative exponential model parameters for Macaca fascicularis lumbar—lumbar intervertebral joints in flexion (adapted from Gal, 1993a)

Joint and sample size (N)A (degrees)B (kg N-1 m-1)
L1L2 (16) -16.1±1.00 6.0±1.9 
L2L3 (17) -12.3±0.99 2.6±0.8 
L3L4 (13) -14.5±1.83 2.4±1.1 
L4L5 (13) -11.4±0.61 3.7±1.4 
L5L6 (14) -10.3±0.63 19.2±6.7 
Mean (L-L) -12.9±1.10 6.8±3.2 
L6S (15) -23.1±1.56 4.2±1.6 
Joint and sample size (N)A (degrees)B (kg N-1 m-1)
L1L2 (16) -16.1±1.00 6.0±1.9 
L2L3 (17) -12.3±0.99 2.6±0.8 
L3L4 (13) -14.5±1.83 2.4±1.1 
L4L5 (13) -11.4±0.61 3.7±1.4 
L5L6 (14) -10.3±0.63 19.2±6.7 
Mean (L-L) -12.9±1.10 6.8±3.2 
L6S (15) -23.1±1.56 4.2±1.6 

The mean values of A and B (see equation 2 and text for definitions) for L1L2 to L5L6, inclusively, are shown (±S.E.M.). These mean values were used to construct a mean bending equation for macaque lumber—lumber (L-L) intervertebral joints in flexion.

The model parameters are also shown for the M. fascicularislumbosacral joint in flexion (L6S) for comparison.

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