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Table 3 Mean values in unloaded x (horizontal) displacement (SD) over repeated tests for each year level, F values(df) and associated p values

From: Adolescent standing postural response to backpack loads: a randomised controlled experimental study

 

Test 1

Test 2

Test 3

F value (df)

P value

Tragus of ear

23.1 (10.9)

24.5 (11.6)

24.3 (12.1)

7.6(2)

<0.05

Spinous process C7

-6.4 (9.9)

-4.1 (10.4)

-4.2 (10.6)

29.9(2)

<0.05

Mid acromion shoulder

11.2 (10.3)

10.7 (10.5)

11.3 (11.0)

1.2(2)

>0.05

Lateral superior illiac crest

20.5 (9.0)

22.0 (9.3)

22.2 (9.6)

15.9(2)

<0.05

Greater trochanter

19.2 (8.2)

19.9 (8.6)

19.9 (9.1)

3.0(2)

>0.05

Mid joint knee

10.7 (7.2)

10.2 (7.5)

10.2 (7.7)

4.2(2)

>0.05