Table 5 Mean values (SD) of x coordinates for experimental conditions Key: 3%: three per cent body weight, 5%: five per cent body weight. 10%: ten per cent body weight. T7: backpack positioned at the seventh thoracic vertebra. T12: backpack positioned at the twelfth thoracic vertebra. L3: backpack positioned at the third lumbar vertebra.
From: Adolescent standing postural response to backpack loads: a randomised controlled experimental study
3% T7 | 3%T12 | 3%L3 | 5%T7 | 5%T12 | 5%L3 | 10%T7 | 10%T12 | 10%L3 | |
|---|---|---|---|---|---|---|---|---|---|
tragus of ear | 33.9 (34.1) | 32.2 (34.4) | 32.0 (34.2) | 36.3 (34.2) | 34.8 (34.4) | 34.3 (34.1) | 41.8 (33.9) | 40.8 (34.1) | 40.1 (33.9) |
spinous process C7 | 1.8 (10.6) | 0.6 (10.7) | 0.6 (10.7) | 4.0 (10.5) | 2.9 (10.7) | 2.5 (10.8) | 9,2 (11.4) | 8.3 (11.7) | 7.6 (11.6) |
mid acromion shoulder | 15.2 (11.1) | 16.0 (11.2) | 16.6 (10.6) | 18.7 (11.4) | 17.8 (11.5) | 18.6 (11.0) | 21.7 (11.9) | 23.1 (12.2) | 23.5 (12.1) |
lateral superior illiac crest | 24.3 (9.2) | 23.6 (9.0) | 22.9 (9.2) | 25.4 (9.6) | 24.5 (9.4) | 24.5 (9.3) | 27.8 (9.3) | 26.8 (9.4) | 26.7 (9.2) |
greater trochanter | 21.7 (9.2) | 21.5 (8.4) | 20.7 (8.3) | 22.8 (9.2) | 22.4 (8.7) | 22.6 (8.7) | 25.1 (9.0) | 24.7 (8.7) | 24.8 (8.5) |
mid joint knee | 11.0 (7.5) | 11.1 (7.5) | 10.4 (7.4) | 11.3 (7.7) | 11.3 (7.6) | 11.7 (7.4) | 12.4 (7.7) | 12.6 (7.7) | 12.8 (7.4) |