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Table 5 Internal consistency (Cronbach’s α) between strength measures (n = 20)

From: A clinical test to assess isometric cervical strength in chronic whiplash associated disorder (WAD): a reliability study

 

Flex

Ext

RSF

LSF

RR

LR

Total

Flex

1

.796a

0.780a

0.836a

.847a

.824a

.883a

Ext

.796a

1

.934a

0.864a

.843a

.880a

.954a

RSF

.780a

.934a

1

0.919a

.920a

0.923a

.968a

LSF

.836a

.864a

.919a

1

.908a

.947a

.960a

RR

.847a

.843a

.920a

.908a

1

.920a

.945a

LR

.824a

.880a

.923a

.947a

.920a

1

.962a

  1. Flex Flexion, Ext Extension, RSF Right side flexion, LSF Left side flexion, RR Right rotation, LR Left rotation, Total Sum of all directional strength values
  2. a all Cronbach α values significant (α < 0.01)