Table 4 Mean ± SD (and % of total duration of a class, min) of time for adopting different postures in a class period by the school children of different age groups (n = 20 in each age group)
Age groups | ||||||
|---|---|---|---|---|---|---|
10 years | 11 years | 12 years | 13 years | 14 years | 15 years | |
Duration of different postures (min) | ||||||
Neck lateral bend | 12.9 ± 3.6 (55.1%) | 8.1 ± 3.5 (32.7%) | 14.5 ± 6.1 (49.3%) | 11.6 ± 5.6 (35.2%) | 12.0 ± 6.1 (34.6%) | 13.6 ± 9.4 (38.7%) |
Neck forward bend | 12.8 ± 3.9 (54.7%) | 9.9 ± 3.5 (39.9%) | 9.4 ± 4.4 (32.0%) | 12.9 ± 6.8 (39.1%) | 16.3 ± 9.1 (47.0%) | 15.6 ± 8.9 (44.4%) |
Forward body bend | 13.3 ± 4.4 (56.8%) | 11.1 ± 3.5 (44.8%) | 12.9 ± 6.7 (43.9%) | 12.0 ± 7.5 (36.4%) | 14.9 ± 7.1 (42.9%) | 15.4 ± 8.8 (43.9%) |
Stretching one leg | 11.7 ± 3.5 (50.0%) | 8.2 ± 3.9(33.1%) | 7.2 ± 3.1(24.5%) | 4.2 ± 2.7 (12.7%) | 7.1 ± 3.7 (20.5%) | 3.1 ± 2.3 (8.8%) |
Stretching both legs | 12.2 ± 4.3 (52.1%) | 9.5 ± 3.2 (38.3%) | 7.1 ± 2.3 (24.1%) | 5.1 ± 3.4 (15.5%) | 10.8 ± 4.0 (31.1%) | 9.3 ± 6.7 (26.5%) |
Stretching one leg and flexing another leg | 11.6 ± 3.7 (49.6%) | 5.3 ± 3.1 (21.8%) | 0.0 | 4.7 ± 2.2 (14.2%) | 0.0 | 0.0 |
Both legs normal | 11.7 ± 2.7 (50.0%) | 12.8 ± 4.6 (51.6%) | 11.5 ± 3.9 (39.1%) | 9.2 ± 5.1 (27.9%) | 14.3 ± 6.5 (41.2%) | 17.0 ± 7.3 (48.4%) |
Flexing both legs | 11.1 ± 4.4 (47.4%) | 7.1 ± 4.1 (28.6%) | 5.8 ± 3.2 (19.7%) | 5.2 ± 2.1 (15.8%) | 3.2 ± 2.8 (9.2%) | 5.1 ± 3.2 (14.5%) |
Flexing one leg | 11.2 ± 3.3 (47.9%) | 6.0 ± 3.3 (24.2%) | 0.0 | 6.2 ± 3.7 (18.8%) | 0.0 | 0.0 |
Crossed leg condition | 10.9 ± 3.3 (46.6%) | 10.1 ± 3.5 (40.7%) | 10.5 ± 5.4 (35.7%) | 12.3 ± 7.1 (37.3%) | 10.3 ± 6.1 (29.7%) | 17.5 ± 9.3 (49.9%) |
Trunk lateral bend | 10.2 ± 3.4 (43.6%) | 5.8 ± 2.5 (23.4%) | 6.0 ± 3.6 (20.4%) | 9.8 ± 5.1 (29.7%) | 10.5 ± 2.5 (30.3%) | 9.4 ± 7.5 (26.8%) |