Table 3. Effect of the physical education-based stretching intervention program on the proportion of children with normal hamstring extensibility. Data are reported as frequency (% total).
|
|
Experimental group 1 |
Experimental group 2 |
Control group |
|
Post-development |
Post-development |
Post-development |
| Low |
Normal |
Total |
Low |
Normal |
Total |
Low |
Normal |
Total |
| Pre-intervention |
Low |
7 (15.9) |
8 (18.2) |
15 (34.1) |
4 (7.8) |
11 (21.6) |
15 (29.4) |
14 (31.1) |
4 (8.9) |
18 (40.0) |
|
Normal |
1 (2.3) |
28 (63.6) |
29 (65.9) |
2 (3.9) |
34 (66.7) |
36 (70.6) |
6 (13.3) |
21 (46.7) |
27 (60.0) |
|
Total |
8 (18.2) |
36 (81.8) |
44 (100.0) |
6 (11.8) |
45 (88.2) |
51 (100.0) |
20 (44.4) |
25 (55.6) |
45 (100.0) |
|
pa |
|
|
.039 |
|
|
.022 |
|
|
.754 |
|
|
Post-maintenance |
Post-maintenance |
Post-maintenance |
|
|
Low |
Normal |
Total |
Low |
Normal |
Total |
Low |
Normal |
Total |
| Post -development |
Low |
4 (9.1) |
4 (9.1) |
8 (18.2) |
2 (3.9) |
4 (7.8) |
6 (11.8) |
17 (37.8) |
3 (6.7) |
20 (44.4) |
|
Normal |
2 (4.5) |
34 (77.3) |
36 (81.8) |
7 (13.7) |
38 (74.5) |
45 (88.2) |
2 (4.4) |
23 (51.1) |
25 (55.6) |
|
Total |
6 (13.6) |
38 (86.4) |
44 (100.0) |
9 (17.6) |
42 (82.4) |
51 (100.0) |
19 (42.2) |
26 (57.8) |
45 (100.0) |
|
pa |
|
|
.687 |
|
|
.549 |
|
|
1.000 |
a Significance level from the McNemar’s test.
