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Table 5 Relationship of high pain score to kinematic parameters

From: Does movement matter in people with back pain? Investigating ‘atypical’ lumbo-pelvic kinematics in people with and without back pain using wireless movement sensors

Kinematic parameter

Total Number of LBP subjects with data

No. of LBP subjects with atypical movement

No. of LBP subjects with LOW PAIN score on bending/sitting

No. of LBP subjects with HIGH PAIN score on bending/sitting

Association with ‘HIGH PAIN on bending/sitting’ score

Flexion kinematic parameters

 Small Trunk ROM

135

64

27

37

NS

 Large Trunk ROM

135

4

2

2

NS

 Small Lumbar ROMa

135

38

12

26

p = .012

 Large Lumbar ROM

135

7

2

5

NS

 Small Pelvic ROMa

135

44

14

30

p = .011

 Large Pelvic ROM

135

6

4

2

NS

 Small LPC

135

1

9

8

NS

 Large LPC

135

16

8

8

NS

 Low FRR

132

67

33

34

NS

 Pelvic delay at onset

101

17

10

7

NS

 Lumbar delay at onset

101

16

10

6

NS

 Pelvic delay at 20o

96

28

15

13

NS

 Lumbar delay at 20o

96

19

10

6

NS

 Slow trunk movement

101

47

26

21

NS

Sitting kinematic parameters

 Small Pelvic tilt range

100

9

6

3

NS

 Large Pelvic tilt range

100

6

2

4

NS

 Small tilt ratio

100

5

5

0

NS

 Large tilt ratio

100

12

7

5

NS

 Slumped sitting position

100

17

7

10

NS

 Upright sitting position

100

9

5

4

NS

  1. ROM range of motion, FRR flexion relaxation response, LPC lumbo-pelvic co-ordination, NS nonsignificant
  2. aSignificant difference with greater frequency of people reporting higher pain scores