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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