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Table 3 Average (SD) stiffness (N/mm) at 25, 50, and 75% of failure force for whiplash-exposed human cervical ligaments. Mechanical property data were obtained at an average peak elongation rate of 725 (SD 95) mm/s. Significant differences (P < 0.05) among ligaments are indicated in the column Significant. A blank entry indicates no significant difference was observed.

From: Neck ligament strength is decreased following whiplash trauma

 

Stiffness at 25%

Significant

Stiffness at 50%

Significant

Stiffness at 75%

Significant

ALL

57.2 (34.5)

ISL+SSL

59.3 (35.5)

LF,ISL+SSL

60.2 (38.5)

LF,ISL+SSL

MTD

61.8 (48.9)

 

85.9 (72.3)

ISL+SSL

104.2 (90.5)

ISL+SSL

PLL

55.2 (21.1)

ISL+SSL

55.4 (23.9)

LF

53.8 (30.1)

LF

CL

60.7 (29.3)

ISL+SSL

57.6 (28.6)

LF,ISL+SSL

52.0 (32.2)

 

LF

77.2 (38.8)

ISL+SSL

96.5 (51.0)

ALL,PLL,CL,ISL+SSL

112.1 (61.8)

ALL,PLL,ISL+SSL

ISL+SSL

21.7 (10.1)

ALL,PLL,CL,LF

19.1 (9.4)

ALL,MTD,CL,LF

15.7 (9.4)

ALL,MTD,LF

  1. ALL: anterior longitudinal ligament, MTD: middle-third disc, PLL: posterior longitudinal ligament, CL: capsular ligament, LF: ligamentum flavum, ISL+SSL: interspinous and supraspinous ligaments.